CN217327942U

CN217327942U - Pneumatic tool overload prevention device

Info

Publication number: CN217327942U
Application number: CN202221140445.6U
Authority: CN
Inventors: 马淑英
Original assignee: Dalian Shenke Optical Co ltd
Current assignee: Dalian Shenke Optical Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-08-30
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a pneumatic tool overload protection device, including main part gas tank, the middle intercommunication at main part gas tank top has the driving pipe, the top intercommunication of driving pipe has the pipe cup, the top intercommunication of pipe cup has the pipe, the top demountable installation of pipe has the start button, the inner chamber demountable installation of pipe cup has the air pump, the top demountable installation of main part gas tank has sealed lid, first screw has been seted up to one side at sealed lid top, one side at sealed lid top has first bolt through first screw demountable installation, the second screw has been seted up to one side at main part gas tank top. Among the above-mentioned scheme, pneumatic tool overload prevention device is through the setting of pressure sensing piece and exhaust apparatus, and when the air pressure of compression was too big, operating personnel can promote the piston through the pull rod to will accept the inside air escape of intraduct, avoided when the inside inspiratory air of device is too much, surpass the scope that pneumatic tool can bear, pneumatic tool can't carry out normal operating's problem.

Description

Pneumatic tool overload prevention device

Technical Field

The utility model relates to a pneumatic tool technical field, more specifically say, the utility model relates to a pneumatic tool overload prevention device.

Background

In a broad sense, a pneumatic tool is a tool that mainly uses compressed air to drive a pneumatic motor to work on the output of kinetic energy, and can be divided into a rotary type and a reciprocating type according to the basic working mode of the pneumatic tool.

In the existing pneumatic tool device, when too much air is sucked into the device and exceeds the range which can be borne by the pneumatic tool, the pneumatic tool cannot normally operate; and when the device is in operation, the compression to the air can lead to the not hard up of internals, causes the cost of maintenance higher in later stage.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a pneumatic tool overload prevention device to solve prior art and when the inside inspiratory air of device was too much, surpassed the scope that pneumatic tool can bear, pneumatic tool can't carry out normal operating problem.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a pneumatic tool overload protection device, includes main part gas tank, the centre intercommunication at main part gas tank top has the transmission pipe, the top intercommunication of transmission pipe has the bell and spigot joint pipe, the top intercommunication of bell and spigot joint pipe has the push pipe, the top demountable installation of push pipe has the start button, the inner chamber demountable installation of bell and spigot joint pipe has the air pump, the top demountable installation of main part gas tank has sealed lid, first screw has been seted up to one side at sealed lid top, one side at sealed lid top has first bolt through first screw demountable installation, the second screw has been seted up to one side at main part gas tank top.

The top of the sealing cover is communicated with the transmission pipe, the number of the first screw holes is four, the number of the first bolts corresponds to that of the first screw holes one to one, and the size of the second screw holes is the same as that of the first screw holes.

Wherein, one side demountable installation of air pump has the left side piece, the opposite side demountable installation of air pump has the right side piece, the bottom swing joint of left side piece has first spring, the bottom swing joint of right side piece has the second spring, the bottom swing joint of first spring has the pressure piece, the bottom and the pressure piece of second spring are connected, the through-hole has been seted up to one side of main part gas tank, one side of main part gas tank has exhaust apparatus through the through-hole intercommunication.

Wherein, exhaust apparatus includes the adapter, the pore has been seted up at the top of adapter, the top of adapter has into the pipe through the pore intercommunication, the bottom intercommunication of adapter has the exit tube, the side opening has been seted up to one side of adapter, the piston has been cup jointed through the side opening activity in one side of adapter, one side demountable installation of piston has the pull rod, one side demountable installation of pull rod has the handle, one side intercommunication of adapter has the connecting pipe, the pull rod is located the inside of connecting pipe.

Wherein, one side demountable installation of main part gas tank inner chamber has the support ring, one side demountable installation of support ring has the connecting axle, the quantity of connecting axle is four, the bottom demountable installation of main part gas tank has the portion of accepting, the bottom demountable installation of the portion of accepting has the awl bottom, the bottom intercommunication of awl bottom has the tail gas pipe.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

in the scheme, the pneumatic tool overload prevention device is provided with the pressure sensing piece and the exhaust device, when the compressed air pressure is too high, an operator can push the piston through the pull rod so as to exhaust the air in the receiving pipe, and the problem that when the air sucked in the device is too much, the air exceeds the range which can be borne by the pneumatic tool, and the pneumatic tool cannot normally operate is solved; in the above scheme, pneumatic tool overload prevention device provides relatively stable structure for the surface and the inner chamber of main part gas tank through the setting of sealed lid, support ring and the connecting axle, has avoided the device when running, and the compression to the air can lead to the not hard up of internals, causes the higher problem of cost of maintenance in later stage.

Drawings

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

FIG. 2 is a schematic view of the assembly of the driving pipe and the socket pipe of the present invention;

fig. 3 is a schematic view of the exhaust device according to the present invention;

fig. 4 is a schematic view of the assembly of the support ring and the connecting shaft of the present invention;

fig. 5 is a schematic view of the assembly of the main body air box and the receiving part of the present invention.

[ reference numerals ]

1. A main body gas tank; 2. a drive tube; 3. sleeving a pipe; 4. jacking pipes; 5. a start button; 6. an air pump; 7. a sealing cover; 8. a first screw hole; 9. a first bolt; 10. a second screw hole; 11. a left side block; 12. a right side block; 13. a first spring; 14. a second spring; 15. a pressure sensitive sheet; 16. a through hole; 17. an exhaust device; 171. a bearing pipe; 172. fine pores; 173. entering a pipe; 174. discharging a pipe; 175. a side hole; 176. a piston; 177. a pull rod; 178. a handle; 179. a connecting pipe; 18. a support ring; 19. a connecting shaft; 20. a receiving part; 21. the bottom of the cone; 22. the tail gas pipe.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

The embodiment of the utility model provides an overload protection device for a pneumatic tool as shown in attached drawings 1-5, which comprises a main body air box 1, wherein the middle of the top of the main body air box 1 is communicated with a transmission pipe 2, the top of the transmission pipe 2 is communicated with a sleeve pipe 3, the top of the sleeve pipe 3 is communicated with a top pipe 4, the top of the top pipe 4 is detachably provided with a start button 5, an inner cavity of the sleeve pipe 3 is detachably provided with an air pump 6, the top of the main body air box 1 is detachably provided with a sealing cover 7, one side of the top of the sealing cover 7 is provided with a first screw hole 8, one side of the top of the sealing cover 7 is detachably provided with a first bolt 9 through the first screw hole 8, and one side of the top of the main body air box 1 is provided with a second screw hole 10;

the top of the sealing cover 7 is communicated with the transmission pipe 2, the number of the first screw holes 8 is four, the number of the first bolts 9 is in one-to-one correspondence with the first screw holes 8, the size of the second screw holes 10 is the same as that of the first screw holes 8, one side of the air pump 6 is detachably provided with a left side block 11, the other side of the air pump 6 is detachably provided with a right side block 12, the bottom of the left side block 11 is movably connected with a first spring 13, the bottom of the right side block 12 is movably connected with a second spring 14, the bottom of the first spring 13 is movably connected with a pressure sensing piece 15, the bottom of the second spring 14 is connected with the pressure sensing piece 15, one side of the main body air box 1 is provided with a through hole 16, one side of the main body air box 1 is communicated with an exhaust device 17 through the through hole 16, the exhaust device 17 comprises a bearing pipe 171, the top of the bearing pipe 171 is provided with a fine hole 172, the top of the bearing pipe 171 is communicated with an inlet pipe 173 through the fine hole 172, the bottom of the bearing pipe 171 is communicated with an outlet pipe 174, side opening 175 has been seted up to one side of adapter 171, piston 176 has been cup jointed through side opening 175 activity in one side of adapter 171, one side demountable installation of piston 176 has pull rod 177, one side demountable installation of pull rod 177 has handle 178, one side intercommunication of adapter 171 has connecting pipe 179, pull rod 177 is located the inside of connecting pipe 179, one side demountable installation of main part gas tank 1 inner chamber has support ring 18, one side demountable installation of support ring 18 has connecting axle 19, the quantity of connecting axle 19 is four, the bottom demountable installation of main part gas tank 1 has adapter 20, the bottom demountable installation of adapter 20 has awl bottom 21, the bottom intercommunication of awl bottom 21 has tailpipe 22.

As shown in fig. 2, a left side block 11 is detachably mounted on one side of the air pump 6, a right side block 12 is detachably mounted on the other side of the air pump 6, a first spring 13 is movably connected to the bottom of the left side block 11, a second spring 14 is movably connected to the bottom of the right side block 12, a pressure sensing piece 15 is movably connected to the bottom of the first spring 13, the bottom of the second spring 14 is connected to the pressure sensing piece 15, a through hole 16 is formed in one side of the main body air box 1, and an exhaust device 17 is communicated with one side of the main body air box 1 through the through hole 16.

Specifically, the purpose of connecting the first spring 13 to the bottom of the left side block 11 and the second spring 14 to the bottom of the right side block 12 is to provide a buffer function when air enters the main body air box 1, so as to prevent the loss of internal parts of the device due to too much impact force.

The working process of the utility model is as follows:

pneumatic tool overload protection device is in the during operation, inside 6 with air suction main part air tank 1 through the inside air pump of bell and spigot 3, the air is through the pressure of driving pipe 2 bottom piece 15, when air pressure was too big, pressure is felt piece 15 and is extruded, operating personnel can promote piston 176 through pull rod 177 this moment, thereby discharge the inside air of adapting tube 171, when having avoided when the inside inspiratory air of device is too much, surpass the scope that pneumatic tool can bear, pneumatic tool can't carry out normal operating's problem.

Above-mentioned scheme, pneumatic tool overload prevention device is in the during operation, and when the device is in operation, sealed lid 7 provides the structural support of protection for the device surface, and support ring 18 and connecting axle 19 provide the structural support for the inner chamber of main part gas tank 1, have avoided the device to be in operation, and the compression to the air can lead to the not hard up of internals, causes the higher problem of cost of maintenance in later stage.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention, and any modifications, equivalent alterations, improvements and the like made within the spirit and principle of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides a pneumatic tool overload protection device, includes main part gas tank (1), the middle intercommunication at main part gas tank (1) top has driving pipe (2), its characterized in that, the top intercommunication of driving pipe (2) has socket pipe (3), the top intercommunication of socket pipe (3) has push pipe (4), the top demountable installation of push pipe (4) has start button (5), the inner chamber demountable installation of socket pipe (3) has air pump (6), the top demountable installation of main part gas tank (1) has sealed lid (7), first screw (8) have been seted up to one side at sealed lid (7) top, one side at sealed lid (7) top has first bolt (9) through first screw (8) demountable installation, second screw (10) have been seted up to one side at main part gas tank (1) top.

2. The pneumatic tool overload prevention device according to claim 1, wherein the top of the sealing cover (7) is communicated with the transmission pipe (2), the number of the first screw holes (8) is four, the number of the first bolts (9) corresponds to the number of the first screw holes (8) one by one, and the size of the second screw holes (10) is the same as that of the first screw holes (8).

3. The pneumatic tool overload prevention device according to claim 1, wherein a left side block (11) is detachably mounted on one side of the air pump (6), a right side block (12) is detachably mounted on the other side of the air pump (6), a first spring (13) is movably connected to the bottom of the left side block (11), a second spring (14) is movably connected to the bottom of the right side block (12), a pressure sensing piece (15) is movably connected to the bottom of the first spring (13), the bottom of the second spring (14) is connected with the pressure sensing piece (15), a through hole (16) is formed in one side of the main body air box (1), and an exhaust device (17) is communicated with one side of the main body air box (1) through the through hole (16).

4. The pneumatic tool overload prevention device according to claim 3, wherein the exhaust device (17) comprises an adapter (171), a fine hole (172) is formed in the top of the adapter (171), the top of the adapter (171) is communicated with an inlet pipe (173) through the fine hole (172), the bottom of the adapter (171) is communicated with an outlet pipe (174), a side hole (175) is formed in one side of the adapter (171), a piston (176) is movably sleeved on one side of the adapter (171) through the side hole (175), a pull rod (177) is detachably installed on one side of the piston (176), a handle (178) is detachably installed on one side of the pull rod (177), a connecting pipe (179) is communicated with one side of the adapter (171), and the pull rod (177) is located inside the connecting pipe (179).

5. The pneumatic tool overload prevention device according to claim 1, wherein a support ring (18) is detachably mounted on one side of an inner cavity of the main body air box (1), a connecting shaft (19) is detachably mounted on one side of the support ring (18), the number of the connecting shafts (19) is four, an adapting portion (20) is detachably mounted on the bottom of the main body air box (1), a conical bottom portion (21) is detachably mounted on the bottom of the adapting portion (20), and a tail gas pipe (22) is communicated with the bottom of the conical bottom portion (21).