CN212779693U

CN212779693U - Insertion and extraction force testing machine

Info

Publication number: CN212779693U
Application number: CN202021611781.5U
Authority: CN
Inventors: 宋建华
Original assignee: Dongguan Jiete Instrument Co ltd
Current assignee: Dongguan Jiete Instrument Co ltd
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-03-23
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses an insertion and extraction force testing machine, including main part, motor, water pump and microcomputer, inside upper surface difference fixed mounting of main part has motor, water pump and microcomputer, the cross-under is rotated with the main part to the output of motor, the output fixed mounting of motor has the eccentric disc, the eccentric disc rotates the micromatic setting of installing the elastic meshing joint, the one end that micromatic setting kept away from the eccentric disc rotates and installs main slider, and this insertion and extraction force testing machine realizes the accurate fixed centre gripping to the connector through first regulation clamping device and second regulation clamping device and vertical adjusting device, cools off insertion and extraction force testing machine through cooling device, fixes the movable length of connector through micromatic setting, and the influence of precision when avoiding insertion and extraction force testing machine during operation to the connector plug through clamping device has the precision height, docks accurate, Stable operation and long-term operation.

Description

Insertion and extraction force testing machine

Technical Field

The utility model relates to a connector test equipment technical field specifically is an insertion and extraction force testing machine.

Background

The insertion and extraction force testing machine is suitable for the insertion and extraction force tests of various mobile phones and computer peripheral connectors, can solve the problem of clamps for testing various connectors, and can automatically align male and female connectors during testing without the problem of single edge.

When an existing insertion and extraction force testing machine is used for testing, continuous working time of testing equipment is too long, friction heat of a sliding connection part of the testing equipment is generated, components can be damaged due to long-term falling, precision is not accurate enough when the equipment vibrates and can lead to testing, and therefore the insertion and extraction force testing machine is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate and stable bearing capacity detection device for bridge of operation of precision to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plug-pull force testing machine, includes main part, motor, water pump and microcomputer, inside upper surface of main part fixed mounting respectively has motor, water pump and microcomputer, the output and the main part of motor rotate the cross-under, the output fixed mounting of motor has the eccentric disc, the eccentric disc rotates the micromatic setting of installing elastic meshing joint, the micromatic setting is kept away from the one end of eccentric disc and is rotated and install the main slider, and is equipped with the first regulation clamping device who rotates meshing regulation in the main slider inside, main slider bottom slidable mounting has the cooling device of rivers seal cycle, and cooling device bottom and main part fixed connection, lie in main slider one side fixed mounting above the cooling device and rotate the vertical adjusting device who meshes the regulation, and vertical adjusting device one side fixed mounting has the second and adjust clamping device, first regulation clamping device, the microcomputer, The second adjusting and clamping device and the longitudinal adjusting device are fixedly connected with a locking device in a penetrating and elastic engagement and clamping mode.

Preferably, the fine setting device includes slide bar, connecting block, spout, slider, locking piece, first rack and second rack, main slider one side is rotated and is installed the slide bar, and the slide bar is kept away from main slider one end slip cross-under and has the connecting block, the one end that the slide bar was kept away from to the connecting block is rotated with the eccentric disc and is connected, the spout has been seted up to connecting block upper surface symmetry, and equal slidable mounting has the slider in the spout, the slider bottom all with slide bar fixed connection, it has the locking piece to correspond between the slider through spring slidable mounting, locking piece lower fixed surface is connected with first rack, the connecting block upper surface is located fixedly connected with second rack between two sliders, and the second rack is connected with first rack toothing.

Preferably, the first adjusting and clamping device comprises a bidirectional screw rod, a first rotating handle and a clamping block, the bidirectional screw rod is installed inside the main sliding block in a rotating mode, one end of the bidirectional screw rod is in rotating connection with the main sliding block in a rotating mode, the first rotating handle is fixedly installed at one end, located on the outer side of the main sliding block, of the bidirectional screw rod, the clamping block is installed in a symmetrical meshed mode of the bidirectional screw rod, and a locking device is fixedly installed on one side, close to the first rotating handle, of the main sliding block.

Preferably, the cooling device comprises a first hollow fixed block, a water receiving port, a first hollow sliding barrel, a second hollow fixed block, a hollow barrel, a third hollow fixed block, a second hollow sliding barrel, a fourth hollow fixed block and a water outlet, the upper surface of the main body is fixedly provided with the first hollow fixed block between the eccentric disc and the main sliding block, the bottom end of the first hollow fixed block is fixedly connected with the water receiving port, the water receiving port is fixedly connected with the main body in a penetrating way, one side of the first hollow fixed block, far away from the eccentric disc, is fixedly provided with the first hollow sliding barrel, the first hollow sliding barrel is in sliding penetrating way with the main sliding block, one end of the first hollow sliding barrel, far away from the first hollow fixed sliding block, is fixedly provided with the second hollow fixed block, the bottom end of the second hollow fixed block is fixedly connected with the main body, one side of the second hollow fixed block, far away from the first hollow sliding barrel, is fixedly provided with the hollow barrel, and one, the bottom end of the third hollow fixed block is fixedly connected with the main body, the top end of the third hollow fixed block is fixedly connected with a second hollow sliding cylinder, the top end of the second hollow sliding cylinder is fixedly connected with a fourth hollow fixed block, and one side of the fourth hollow fixed block is fixedly connected with a water outlet.

Preferably, vertical adjusting device includes vice slider, threaded rod and second twist grip, the hollow slide cartridge of second is located slidable mounting between hollow fixed block of third and the hollow fixed block of fourth and has vice slider, and vice slider is located and rotates the meshing between the hollow slide cartridge of second and install the threaded rod, the threaded rod bottom rotates with the hollow fixed block top of third and is connected, the threaded rod top rotates the cross-under with the hollow fixed block of fourth, threaded rod top fixed mounting has the second twist grip, the fourth fixed block is close to second twist grip one side fixed mounting and has locking device, vice slider is kept away from threaded rod one side fixed mounting and is adjusted clamping device by the second.

Preferably, the locking device comprises a shell, a sliding column, a limiting rod, a pressing block, a limiting barrel, a spring, a limiting block and teeth, wherein the main sliding block and the auxiliary sliding block are positioned on one side of the first rotating handle and are fixedly connected with the top of the fourth hollow fixing block, the sliding column and the limiting rod are symmetrically connected with the two sides of the shell in a sliding and penetrating manner respectively, the pressing block is fixedly connected with one end of the sliding column and one end of the limiting rod, which are positioned outside the shell, respectively, the limiting barrel is fixedly arranged on the inner wall of the shell, which is close to the pressing block, the spring is fixedly arranged in the limiting barrel, one end of the spring, which is positioned far away from the inner wall of the shell, is elastically and fixedly arranged with the limiting rod, the limiting block is fixedly connected with one end of the sliding column, which is positioned inside the shell, the teeth are fixedly connected with the two-way, and the teeth are movably clamped with the limiting rod.

Preferably, sliding bearings are fixedly mounted at the rotating connection part of the eccentric disc and the fine adjustment device, the rotating connection part of the fine adjustment device and the main sliding block and the sliding connection part of the first hollow sliding cylinder and the main sliding block.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model fixes the connector through the first adjusting and clamping device and the second adjusting and clamping device, aligns the connector through the longitudinal adjusting device, the locking device fixes the adjusting parts of the first adjusting and clamping device, the second adjusting and clamping device and the longitudinal adjusting device, ensures that the vibration of the plugging and unplugging force testing machine during working can not affect the first adjusting and clamping device, the second adjusting and clamping device and the longitudinal adjusting device, the microcomputer controls the water pump to work, the cooling device cools the plugging and unplugging force testing machine, and then the microcomputer controls the motor to work, realizes the continuous plugging and unplugging test of the connector through the eccentric disc, the plugging and unplugging force testing machine realizes the accurate fixed clamping of the connector through the first adjusting and clamping device and the longitudinal adjusting device, and cools the plugging and unplugging force testing machine through the cooling device, the movable length of the connector is fixed through the fine adjustment device, and the clamping device is used for avoiding the influence of the working time of the insertion and extraction force testing machine on the insertion and extraction precision of the connector, so that the connector has the advantages of high precision, accurate butt joint, stable operation and long-time working.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the fine adjustment device of the present invention;

FIG. 3 is a schematic structural view of a first adjustable clamping device of the present invention;

FIG. 4 is a schematic structural view of the cooling device of the present invention;

FIG. 5 is a schematic structural view of the longitudinal adjustment device of the present invention;

fig. 6 is a schematic structural view of the locking device of the present invention;

fig. 7 is a schematic view of the position structure of the sliding bearing of the present invention;

fig. 8 is a schematic view of a sectional structure of a fourth hollow fixing block of the present invention.

In the figure: 1. a main body; 2. a motor; 3. a water pump; 4. a microcomputer; 5. an eccentric disc; 6. a fine adjustment device; 61. a slide bar; 62. connecting blocks; 63. a chute; 64. a slider; 65. a locking block; 66. a first rack; 67. a second rack; 7. a main slider; 8. a first adjusting and clamping device; 81. a bidirectional screw; 82. a first rotating handle; 83. a clamping block; 9. a cooling device; 91. a first hollow fixed block; 92. a water receiving port; 93. a first hollow slide cylinder; 94. a second hollow fixed block; 95. a hollow cylinder; 96. a third hollow fixed block; 97. a second hollow slide cylinder; 98. a fourth hollow fixed block; 99. a water outlet; 10. a longitudinal adjustment device; 101. a sub slider; 102. a threaded rod; 103. a second rotating handle; 11. a locking device; 111. a housing; 112. a traveler; 113. a limiting rod; 114. a pressing block; 115. a limiting cylinder; 116. a spring; 117. a limiting block; 118. teeth; 12. a second adjusting and clamping device; 13. a sliding bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the illustrated insertion and extraction force testing machine includes a main body 1, a motor 2, a water pump 3, and a microcomputer 4, wherein the motor 2, the water pump 3, and the microcomputer 4 are respectively fixedly mounted on an upper surface inside the main body 1, and the motor 2 and the microcomputer 4 have the same working principle as that of the conventional insertion and extraction force testing machine.

Referring to fig. 1, an output end of the motor 2 is rotatably connected with the main body 1 in a penetrating manner, an eccentric disc 5 is fixedly installed at the output end of the motor 2, a fine adjustment device 6 in elastic engagement and clamping connection is rotatably installed on the eccentric disc 5, a main slider 7 is rotatably installed at one end, far away from the eccentric disc 5, of the fine adjustment device 6, a first adjustment clamping device 8 in rotation engagement and adjustment is arranged inside the main slider 7, a cooling device 9 in water flow sealing circulation is slidably installed at the bottom of the main slider 7, the bottom end of the cooling device 9 is fixedly connected with the main body 1, a longitudinal adjustment device 10 in rotation engagement and adjustment is fixedly installed at one side of the main slider 7 above the cooling device 9, a second adjustment clamping device 12 is fixedly installed at one side of the longitudinal adjustment device 10, and a locking device 11 in elastic engagement and clamping connection is fixedly connected with the first adjustment clamping device 8, the second adjustment clamping device 12, the microcomputer 4 controls the motor 2 to rotate, the eccentric disc 5 and the fine adjustment device 6 can drive the first adjusting and clamping device 8 on the main sliding block 7 to quickly and continuously tamper along the direction of the first hollow sliding barrel 93, and the second adjusting and clamping device 12 and the first adjusting and clamping device 8 have the same working principle.

Referring to fig. 2, the fine adjustment device 6 includes a sliding rod 61, a connecting block 62, a sliding slot 63, a sliding block 64, a locking block 65, a first rack 66 and a second rack 67, the sliding rod 61 is rotatably installed on one side of the main sliding block 7, the connecting block 62 is slidably connected to one end of the sliding rod 61 away from the main sliding block 7, one end of the connecting block 62 away from the sliding rod 61 is rotatably connected to the eccentric disc 5, the sliding slots 63 are symmetrically formed on the upper surface of the connecting block 62, the sliding blocks 64 are slidably installed in the sliding slot 63, the bottom ends of the sliding blocks 64 are fixedly connected to the sliding rod 61, the locking blocks 65 are slidably installed between the sliding blocks 64 through springs 116, the first rack 66 is fixedly connected to the lower surface of the locking block 65, the second rack 67 is fixedly connected between the two sliding blocks 64 on the upper surface of the connecting block 62, and the second rack 67 is engaged with the first rack 66 to overcome the, the first rack 66 and the second rack 67 are disengaged from clamping, the sliding block 64 on the sliding rod 61 can slide along the sliding groove 63 direction by pushing and pulling the main sliding block 7, after the sliding block moves to a proper position, the locking block 65 is released, the spring 116 releases elastic force to extrude the locking block 65 to slide downwards, the first rack 66 and the second rack 67 are engaged and clamped, and the elastic force of the spring 116 enables the first rack 66 and the second rack 67 to be tightly engaged and clamped.

Referring to fig. 3, the first adjusting and clamping device 8 includes a bidirectional screw 81, a first rotating handle 82 and a clamping block 83, the bidirectional screw 81 is rotatably installed inside the main slider 7, one end of the bidirectional screw 81 is rotatably connected with the main slider 7 in a penetrating manner, the first rotating handle 82 is fixedly installed at one end of the bidirectional screw 81 located outside the main slider 7, the clamping blocks 83 are symmetrically installed in a meshing manner on the bidirectional screw 81, the locking device 11 is fixedly installed at one side of the main slider 7 close to the first rotating handle 82, and the bidirectional screw 81 is driven to rotate by rotating the first rotating handle 82, so that the clamping blocks 83 meshed with the bidirectional screw 81 move oppositely, and clamping of the connector is controlled.

Referring to fig. 4, the cooling device 9 includes a first hollow fixing block 91, a water receiving port 92, a first hollow sliding cylinder 93, a second hollow fixing block 94, a hollow cylinder 95, a third hollow fixing block 96, a second hollow sliding cylinder 97, a fourth hollow fixing block 98, and a water outlet 99, the first hollow fixing block 91 is fixedly installed on the upper surface of the main body 1 between the eccentric disc 5 and the main slider 7, the water receiving port 92 is fixedly connected to the bottom end of the first hollow fixing block 91, the water receiving port 92 is fixedly connected to the main body 1 in a penetrating manner, the first hollow sliding cylinder 93 is fixedly installed on one side of the first hollow fixing block 91 away from the eccentric disc 5, the first hollow sliding cylinder 93 is slidably connected to the main slider 7, the second hollow fixing block 94 is fixedly installed on one end of the first hollow sliding cylinder 93 away from the first hollow fixing slider 64, the bottom end of the second hollow fixing block 94 is fixedly connected to the main body 1, a hollow cylinder 95 is fixedly arranged on one side of the second hollow fixed block 94 far away from the first hollow sliding cylinder 93, and a third hollow fixing block 96 is fixedly mounted at one end of the hollow cylinder 95 far away from the second hollow fixing block 94, the bottom end of the third hollow fixed block 96 is fixedly connected with the main body 1, the top end of the third hollow fixed block 96 is fixedly connected with a second hollow sliding cylinder 97, and the top end of the second hollow sliding cylinder 97 is fixedly connected with a fourth hollow fixed block 98, one side of the fourth hollow fixed block 98 is fixedly connected with a water outlet 99, the first hollow fixed block 91, the second hollow fixed block 94, the third hollow fixed block 96, the fourth hollow fixed block 98, the first hollow sliding cylinder 93, the hollow cylinder 95, the second hollow sliding cylinder 97, the water receiving port 92 and the water outlet 99 are communicated, the water receiving port 92 and the water outlet 99 are connected with the water pump 3, and the circulation process of controlling water flow through the water pump 3 is as follows: the water receiving port 92, the first hollow fixing block 91, the first hollow sliding barrel 93, the second hollow fixing block 94, the hollow barrel 95, the third hollow fixing block 96, the second hollow sliding barrel 97, the fourth hollow fixing block 98 and the water outlet 99 are arranged on the base, so that the effect of continuously cooling the plug-pull force testing machine is achieved.

Referring to fig. 5, the longitudinal adjustment device 10 includes a sub-slider 101, a threaded rod 102, and a second rotary handle 103, an auxiliary sliding block 101 is arranged between the third hollow fixed block 96 and the fourth hollow fixed block 98 in a sliding manner on the second hollow sliding barrel 97, and the auxiliary sliding block 101 is positioned between the second hollow sliding barrels 97 and is rotatably engaged with a threaded rod 102, the bottom end of the threaded rod 102 is rotatably connected with the top end of the third hollow fixed block 96, the top end of the threaded rod 102 is rotatably connected with the fourth hollow fixed block 98 in a penetrating way, a second rotating handle 103 is fixedly arranged at the top end of the threaded rod 102, a locking device 11 is fixedly arranged at one side of the fourth fixed block close to the second rotating handle 103, a second adjusting and clamping device 12 is fixedly arranged on one side of the auxiliary sliding block 101, which is far away from the threaded rod 102, the threaded rod 102 is driven to rotate by rotating a second rotating handle 103, thereby realizing that the threaded rod 102 drives the auxiliary sliding block 101 to move longitudinally along the direction of the second hollow sliding barrel 97.

Referring to fig. 6, the locking device 11 includes a housing 111, a sliding column 112, a limiting rod 113, a pressing block 114, a limiting cylinder 115, a spring 116, a limiting block 117, and teeth 118, the main slider 7 and the auxiliary slider 101 are located on one side of the first rotating handle 82, the top of the fourth hollow fixing block 98 is fixedly connected to the housing 111, the two sides of the housing 111 are respectively and symmetrically connected to the sliding column 112 and the limiting rod 113 in a sliding manner, the sliding column 112 and the limiting rod 113 are located at one end of the outer side of the housing 111 and are fixedly connected to the pressing block 114, the inner wall of the housing 111 close to the pressing block 114 is fixedly installed with the limiting cylinder 115, the inner wall of the housing 111 is located in the limiting cylinder 115 and is fixedly installed with the spring 116, one end of the spring 116 far away from the inner wall of the housing 111 is elastically and fixedly installed with the limiting rod 113, one end of the sliding column 112 located in the housing 111 is fixedly connected to the limiting block 117, the outer walls of the bidirectional screws The equal fixedly connected with tooth 118 in pole 113 corresponds the position, and tooth 118 and 113 activity joint of gag lever post, press the briquetting 114 through finger extrusion contact, gag lever post 113 overcomes spring 116 and contracts along spacing section of thick bamboo 115 direction, gag lever post 113 and sliding column 112 slide to the inside of shell 111, gag lever post 113 breaks away from the joint with tooth 118, alright realize the rotation of two-way screw rod 81 and threaded rod 102 through first twist grip 82 and second twist grip 103, loosen the finger, spring 116 releases elasticity extrusion gag lever post 113 and tooth 118 and carries out the joint, stopper 117 is injectd gag lever post 113 extension length.

Referring to fig. 7, sliding bearings 13 are fixedly mounted at the rotational connection portion of the eccentric disc 5 and the fine adjustment device 6, the rotational connection portion of the fine adjustment device 6 and the main slider 7, and the sliding connection portion of the first hollow sliding cylinder 93 and the main slider 7, and the sliding bearings 13 reduce the friction force when the eccentric disc 5 and the fine adjustment device 6, and the fine adjustment device 6 and the main slider 7 and the first hollow sliding cylinder 93 slide.

In the scheme, the connector is fixed through the first adjusting clamping device 8 and the second adjusting clamping device 12, the connector is aligned through the longitudinal adjusting device 10, the locking device 11 fixes the first adjusting clamping device 8, the second adjusting clamping device 12 and the longitudinal adjusting device 10, it is guaranteed that the first adjusting clamping device 8, the second adjusting clamping device 12 and the longitudinal adjusting device 10 are not affected by vibration of the plug-pull force testing machine in working, the microcomputer 4 controls the water pump 3 to work, the cooling device 9 cools the plug-pull force testing machine, the microcomputer 4 controls the motor 2 to work, and continuous plug-pull tests of the connector are achieved through the eccentric disc 5.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an insertion and extraction force testing machine, includes main part (1), motor (2), water pump (3) and microcomputer (4), main part (1) inside upper surface fixed mounting respectively has motor (2), water pump (3) and microcomputer (4), its characterized in that: the output of motor (2) rotates with main part (1) and cross-under, the output fixed mounting of motor (2) has eccentric disc (5), eccentric disc (5) rotates fine setting device (6) of installing the elastic meshing joint, the one end that eccentric disc (5) was kept away from in fine setting device (6) rotates and installs main slider (7), and main slider (7) inside is equipped with first regulation clamping device (8) that rotate the meshing and adjust, sliding mounting has sealed endless cooling device (9) of rivers bottom main slider (7), and cooling device (9) bottom and main part (1) fixed connection, it has vertical adjusting device (10) that rotate the meshing and adjust to lie in main slider (7) one side fixed mounting above cooling device (9), and vertical adjusting device (10) one side fixed mounting has second regulation clamping device (12), and the first adjusting and clamping device (8), the second adjusting and clamping device (12) and the longitudinal adjusting device (10) are fixedly connected with locking devices (11) in a penetrating and elastic engagement and clamping manner.

2. The insertion and extraction force tester according to claim 1, wherein: the fine adjustment device (6) comprises a sliding rod (61), a connecting block (62), a sliding groove (63), a sliding block (64), a locking block (65), a first rack (66) and a second rack (67), wherein the sliding rod (61) is rotatably installed on one side of the main sliding block (7), one end, far away from the main sliding block (7), of the sliding rod (61) is slidably penetrated and connected with the connecting block (62), one end, far away from the sliding rod (61), of the connecting block (62) is rotatably connected with the eccentric disc (5), the sliding groove (63) is symmetrically formed in the upper surface of the connecting block (62), the sliding block (64) is slidably installed in the sliding groove (63), the bottom end of the sliding block (64) is fixedly connected with the sliding rod (61), the locking block (65) is slidably installed between the sliding blocks (64) through a spring (116), the first rack (66) is fixedly connected to the lower surface of the locking block (65), the second rack (67) is fixedly connected between the, and the second rack (67) is meshed with the first rack (66).

3. The insertion and extraction force tester according to claim 1, wherein: first regulation clamping device (8) include two-way screw rod (81), first twist grip (82) and clamp splice (83), two-way screw rod (81) are installed to main slider (7) internal rotation, and two-way screw rod (81) one end rotates cross-under with main slider (7), one end fixed mounting that two-way screw rod (81) are located main slider (7) outside has first twist grip (82), clamp splice (83) are installed in two-way screw rod (81) symmetry meshing, main slider (7) are close to first twist grip (82) one side fixed mounting and have locking device (11).

4. The insertion and extraction force tester according to claim 1, wherein: the cooling device (9) comprises a first hollow fixing block (91), a water receiving port (92), a first hollow sliding barrel (93), a second hollow fixing block (94), a hollow barrel (95), a third hollow fixing block (96), a second hollow sliding barrel (97), a fourth hollow fixing block (98) and a water outlet (99), wherein the first hollow fixing block (91) is fixedly arranged on the upper surface of the main body (1) between the eccentric disc (5) and the main sliding block (7), the water receiving port (92) is fixedly connected with the bottom end of the first hollow fixing block (91), the water receiving port (92) is fixedly connected with the main body (1) in a penetrating manner, the first hollow sliding barrel (93) is fixedly arranged on one side, far away from the eccentric disc (5), of the first hollow fixing block (91), the first hollow sliding barrel (93) is slidably connected with the main sliding block (7), the second hollow fixing block (94) is fixedly arranged on one end, far away from the first hollow fixing sliding block (64), of the first hollow sliding barrel (93), the hollow fixed block of second (94) bottom and main part (1) fixed connection, the hollow fixed block of second (94) is kept away from first hollow smooth section of thick bamboo (93) one side fixed mounting and is had hollow section of thick bamboo (95), and hollow section of thick bamboo (95) keep away from hollow fixed block of second (94) one end fixed mounting and have hollow fixed block of third (96), hollow fixed block of third (96) bottom and main part (1) fixed connection, hollow smooth section of thick bamboo (97) of hollow fixed block of third (96) top fixedly connected with second, and hollow smooth section of thick bamboo (97) top fixedly connected with fourth hollow fixed block (98), hollow fixed block of fourth (98) one side fixedly connected with delivery port (99).

5. The insertion and extraction force tester according to claim 4, wherein: the longitudinal adjusting device (10) comprises an auxiliary sliding block (101), a threaded rod (102) and a second rotating handle (103), an auxiliary sliding block (101) is arranged between the third hollow fixed block (96) and the fourth hollow fixed block (98) of the second hollow sliding cylinder (97) in a sliding way, and the auxiliary sliding block (101) is positioned between the second hollow sliding cylinders (97) and is rotatably meshed with a threaded rod (102), the bottom end of the threaded rod (102) is rotationally connected with the top end of the third hollow fixed block (96), the top end of the threaded rod (102) is in rotary penetration connection with the fourth hollow fixed block (98), a second rotating handle (103) is fixedly arranged at the top end of the threaded rod (102), a locking device (11) is fixedly arranged on one side of the fourth hollow fixed block close to the second rotating handle (103), and a second adjusting and clamping device (12) is fixedly mounted on one side, far away from the threaded rod (102), of the auxiliary sliding block (101).

6. The insertion and extraction force tester according to claim 1, wherein: the locking device (11) comprises a shell (111), a sliding column (112), a limiting rod (113), a pressing block (114), a limiting cylinder (115), a spring (116), a limiting block (117) and teeth (118), wherein the main sliding block (7) and the auxiliary sliding block (101) are positioned on one side of the first rotating handle (82) and are fixedly connected with the shell (111) at the top of the fourth hollow fixing block (98), the sliding column (112) and the limiting rod (113) are symmetrically and slidably connected to the two sides of the shell (111) respectively, the pressing block (114) is fixedly connected to one ends of the sliding column (112) and the limiting rod (113) positioned on the outer side of the shell (111), the limiting cylinder (115) is fixedly installed on the inner wall of the shell (111) close to the pressing block (114), the spring (116) is fixedly installed on the inner wall of the shell (111) positioned in the limiting cylinder (115), and one end of the spring (116) far away from the inner wall of the shell (111) is elastically and fixedly, the sliding column (112) is located the equal fixedly connected with stopper (117) of the inside one end of shell (111), the outer wall of two-way screw rod (81) and threaded rod (102) of first regulation clamping device (8) and second regulation clamping device (12) is located the equal fixedly connected with tooth (118) of gag lever post (113) corresponding position, and tooth (118) and gag lever post (113) activity joint.

7. The insertion and extraction force tester according to claim 4, wherein: and sliding bearings (13) are fixedly arranged at the rotating connection part of the eccentric disc (5) and the fine adjustment device (6), the rotating connection part of the fine adjustment device (6) and the main sliding block (7) and the sliding connection part of the first hollow sliding cylinder (93) and the main sliding block (7).