CN218034864U

CN218034864U - Novel pull rod type sensor

Info

Publication number: CN218034864U
Application number: CN202221193549.3U
Authority: CN
Inventors: 张中洲
Original assignee: Guangdong Shichuang Technology Co ltd
Current assignee: Guangdong Shichuang Technology Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-12-13
Anticipated expiration: 2032-05-17

Abstract

The utility model provides a novel pull rod formula sensor, its technical scheme's main points are: the device comprises an outer shell, wherein a top cap and a bottom cap which are fixedly connected with the outer shell are respectively arranged at two ends of the outer shell, a mounting frame is arranged in the outer shell, a first substrate and a second substrate are arranged in the mounting frame, a resistor strip is arranged on the first substrate, a first electrode and a second electrode are respectively arranged on the first substrate and at two ends of the resistor strip, a third electrode is arranged on the second substrate, a sliding block is arranged between the first substrate and the second substrate, a track is also arranged in the mounting frame, the sliding block is slidably arranged in the track, an electric brush is arranged on the sliding block, a pull rod is further fixedly connected on the sliding block, and the pull rod penetrates through the top cap and extends outwards; the utility model discloses pull rod sensor, the precision is high, and stability is strong, long service life.

Description

Novel pull rod type sensor

[ technical field ] A method for producing a semiconductor device

The utility model relates to a sensor technical field, in particular to novel pull rod type sensor.

[ background of the invention ]

The linear displacement sensor is widely applied to occasions needing accurate displacement measurement, such as woodworking machinery, special machinery for injection molding machines, special machinery for plastic suction machines, printing machinery, medical equipment and instruments, and the like. The linear displacement sensor is based on the principle of a slide rheostat and converts mechanical displacement into an electric signal. The slide rheostat changes the resistance value through the displacement of the slide sheet on the slide rail, the two ends of the slide rheostat are connected with direct-current voltage, smaller current is allowed to pass through, and the voltage between the slide sheet and the starting end is in direct proportion to the moving length of the slide sheet. Based on such principle, the utility model provides a novel pull rod type sensor.

[ Utility model ] content

In order to strengthen linear displacement sensor's stability, the life of extension sensor, the utility model provides a novel pull rod formula sensor.

In order to solve the above problem, the utility model provides a following technical scheme:

a novel pull rod formula sensor which characterized in that: including the shell body the both ends of shell body be equipped with respectively with shell body fixed connection's hood and bottom the inside of shell body is equipped with the mounting bracket be equipped with first base plate and second base plate in the mounting bracket be equipped with the resistance strip on the first base plate just be located the both ends of resistance strip are equipped with first electrode and second electrode respectively be equipped with the third electrode on the second base plate first base plate with be equipped with the slider between the second base plate still be equipped with the track in the mounting bracket, slider slidable installs in the track install the brush on the slider still connect and be fixed with the pull rod on the slider, the pull rod passes the hood outwards extends.

As above novel pull rod formula sensor, its characterized in that: the mounting bracket is including first mounting bracket and second mounting bracket, be equipped with the recess on the mounting bracket, the track gomphosis is in the recess.

As above novel pull rod formula sensor, its characterized in that: just be located on the first mounting bracket the both sides of recess are equipped with first draw-in groove and second draw-in groove respectively on the second mounting bracket and be located the both sides of recess are equipped with third draw-in groove and fourth draw-in groove respectively, first base plate with second base plate parallel mount, resistance strip face to the third electrode, the edge card of first base plate both sides is gone into respectively first draw-in groove and third draw-in groove, the edge card of second base plate both sides is gone into respectively second draw-in groove and fourth draw-in groove.

As above novel pull rod formula sensor, its characterized in that: the track is equipped with two and gomphosis respectively in first mounting bracket with in the recess on the second mounting bracket the both sides of slider all are equipped with the card and go into orbital lug the center department of slider is equipped with connecting plug the end of pull rod is equipped with and is used for inserting connecting plug's connecting plug.

As above novel pull rod formula sensor, its characterized in that: two symmetrical brush heads are arranged at two ends of the electric brush, the electric brush is made of metal elastic sheets, and the brush heads are respectively in compression joint with the resistor strip and the third electrode.

As above novel pull rod formula sensor, its characterized in that: the tail end of the sliding block is provided with a counter bore, the bottom end of the connecting plug is provided with a riveting head, the pull rod is fixedly riveted with the sliding block, the top end of the pull rod is provided with a threaded joint which is convenient to connect and install, and a clamping ring is arranged at the upper end of the pull rod and above the top cap.

As above novel pull rod formula sensor, its characterized in that: the electric brush is provided with a mounting hole, the sliding block is provided with a mounting post for inserting into the mounting hole, and the electric brush and the sliding block are riveted and fixed in a hot pressing mode.

As above novel pull rod formula sensor, its characterized in that: the first substrate is arranged on the surface, back to the resistor strip, of the resistor strip, a first conducting strip electrically connected with the first electrode and a second conducting strip electrically connected with the second electrode are arranged on the surface, back to the third electrode, of the second substrate, a third conducting strip electrically connected with the third electrode is arranged on the surface, back to the third electrode, of the second substrate, a lead is arranged at the tail end of the outer shell, the leads are arranged in three numbers and respectively electrically connected with the first conducting strip, the second conducting strip and the third conducting strip, and the leads penetrate through the bottom cover and extend outwards.

As above novel pull rod formula sensor, its characterized in that: the material of track is the aluminum alloy, the material of slider is insulating plastics.

As above novel pull rod formula sensor, its characterized in that: the lug, the mounting post and the slider are one piece.

Compared with the prior art, the utility model discloses there is following advantage:

1. the utility model discloses pull rod formula sensor is equipped with two solitary tracks for what the slider can be stable slides in the track, can not rock the influence measuring result because of structure space is left and right sides, thereby improve measurement accuracy, orbital material is the aluminum alloy moreover, can reduce the wearing and tearing that long-time use caused, reduces because of the error that wearing and tearing produced, makes this sensor can keep higher precision, prolongs the life of this sensor for a long time.

2. The utility model discloses pull rod sensor, brush pass through hot pressing riveted mode and fix on the slider, stable in structure is firm, and the brush head is the hook-type moreover, can reduce friction, reduces the material loss of resistance strip for this sensor can keep higher precision, increase of service life for a long time.

3. The novel pull rod type sensor can fill glue into the D region after riveting the riveting head, and the glue can stabilize the connection between the riveting head and the sliding block after solidification, so that the pull rod is prevented from being riveted by force, and the structural stability of the sensor is enhanced; fill glue in the E region, can fix the welding end of wire, prevent that the wire from the welding point fracture, can also play insulating seal's effect, prevent factors such as dust, steam among the external environment from influencing measuring result to improve the measurement accuracy of this sensor, strengthen the measurement stability of this sensor.

4. The utility model discloses pull rod formula sensor, the top of pull rod is equipped with screwed joint, can make things convenient for this sensor to be connected and install convenient to use with other structures.

[ description of the drawings ]

FIG. 1 is a perspective view of the sensor;

FIG. 2 is a front view of the sensor;

FIG. 3 is a top view of the sensor;

FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 is a sectional view taken in the direction B-B in FIG. 4;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 4;

FIG. 7 is a first exploded view of the sensor;

FIG. 8 is a second exploded view of the sensor;

FIG. 9 is a third exploded view of the sensor;

FIG. 10 is a fourth exploded view of the sensor;

in the figure: 1 is an outer shell; 2 is a top cap; 3 is a bottom cover; 4 is a mounting frame; 5 is a first substrate; 6 is a second substrate; 7 is a track; 8 is a slide block; 9 is an electric brush; 10 is a pull rod; 11 is a conducting wire; 401 is a first mounting frame; 402 is a second mounting frame; 403 is a first card slot; 404 is a second card slot; 405 is a third card slot; 406 is a fourth card slot; 407 is a groove; 501. is a first electrode; 502 is a second electrode; 503 is a first conductive sheet; 504 is a second conductive sheet; 505 are resistor bars; 601 is a third electrode; 602 is a third conductive sheet; 801 is a bump; 802 is a mounting post; 803 is a connecting jack; a counter bore is 804; 901 is a brush head; 902 is a mounting hole; 1001 is a nipple; 1002 is a connecting plug; 1003 is a rivet joint; 1004 is a snap ring.

[ detailed description ] A

The technical features of the present invention will be described in further detail below with reference to the accompanying drawings so that those skilled in the art can understand the technical features.

The utility model provides a novel pull rod type sensor, as shown in fig. 1-10, including shell body 1 the both ends of shell body 1 be equipped with respectively with shell body 1 fixed connection's hood 2 and bottom 3, shell body 1 with hood 2 and can connect fixedly through modes such as screw thread revolve, interference grafting, glue fill between 3 the inside of shell body 1 is equipped with mounting bracket 4 be equipped with first base plate 5 and second base plate 6 in the mounting bracket 4 be equipped with resistance strip 505 on the first base plate 5 and be located the both ends of resistance strip 505 are equipped with first electrode 501 and second electrode 502 respectively be equipped with third electrode 601 on the second base plate 6 be equipped with slider 8 between first base plate 5 and the second base plate 6 still be equipped with track 7 in the 4, slider 8 slidable installs in the track 7, two solitary track 7 make slider 8 can be stable slide in track 7 can not rock the measurement result because of structure space about to improve the measurement precision and install brush 8 and pass on the slider 9, make things convenient for the pull rod 10 to extend to use the hood is connected to the hood 10.

In addition, the mounting rack 4 includes a first mounting rack 401 and a second mounting rack 402, a concave groove 407 is provided on the mounting rack 4, and the rail 7 is embedded in the concave groove 407.

Specifically, on the first mounting bracket 401 and be located recess 407's both sides are equipped with first draw-in groove 403 and second draw-in groove 404 respectively on the second mounting bracket 402 and be located recess 407's both sides are equipped with third draw-in groove 405 and fourth draw-in groove 406 respectively, first base plate 5 with second base plate 6 parallel mount, resistance strip 505 towards third electrode 601, the edge of first base plate 5 both sides is blocked respectively into first draw-in groove 403 and third draw-in groove 405, the edge of second base plate 6 both sides is blocked respectively into second draw-in groove 404 and fourth draw-in groove 406.

Specifically, the track 7 is provided with two grooves 407 which are respectively embedded in the first mounting frame 401 and the second mounting frame 402, two sides of the slider 8 are respectively provided with a convex block 801 which is clamped into the track 7, the center of the slider 8 is provided with a connection jack 803, and the tail end of the pull rod 10 is provided with a connection plug 1002 which is used for being inserted into the connection jack 803.

Specifically, two symmetrical brush heads 901 are arranged at two ends of the brush 9, the brush 9 is made of a metal elastic sheet, the brush heads 901 are respectively pressed on the resistor strip 505 and the third electrode 601, the brush heads 901 are hook-shaped, friction can be reduced, material loss of the resistor strip 505 is reduced, the sensor can maintain high precision for a long time, and the service life is prolonged.

Specifically, as shown in fig. 9, a counter bore 804 is provided at the tail end of the slider 8, a rivet joint 1003 is provided at the bottom end of the connection plug 1002, the pull rod 10 and the slider 8 are riveted, and after the rivet joint 1003 is riveted, the rivet joint 1003 forms a rivet structure in the counter bore 804, so as to fix the slider 8 at the tail end of the pull rod 10.

Specifically, the middle of the rivet joint 1003 is provided with a notch, so that a shaft core blooming process can be adopted, the riveting is tighter, meanwhile, the structure does not damage the shaft core of the pull rod 10 during press riveting, the pull rod 10 is not bent and deformed after press riveting, and the pull rod 10 can keep smooth during displacement; after the riveting, glue can be poured into the area D, as shown in fig. 8, the connection between the rivet joint 1003 and the slider 8 can be reinforced, and the rivet joint 1003 can be prevented from being inwardly shrunk and deformed when being subjected to an external force; the top end of the pull rod 10 is provided with a threaded connector 1001 for facilitating connection and installation, so that the sensor can be connected and installed with other structures conveniently, and a clamping ring 1004 is arranged at the upper end of the pull rod 10 and above the top cap 2 and used for limiting the initial position of the slide block 8.

Specifically, a mounting hole 902 is formed in the brush 9, a mounting post 802 used for being inserted into the mounting hole 902 is formed in the slider 8, and the brush 9 and the slider 8 are riveted and fixed in a hot-pressing mode through the mounting post 802.

Specifically, the first substrate 5 is provided with a first conductive sheet 503 electrically connected to the first electrode 501 and a second conductive sheet 504 electrically connected to the second electrode 502 on a surface facing away from the resistor strip 505, the second substrate 6 is provided with a third conductive sheet 602 electrically connected to the third electrode 601 on a surface facing away from the third electrode 601, the end of the outer housing 1 is provided with a lead 11, the lead 11 is provided with three conductive sheets 503, the second conductive sheet 504 and the third conductive sheet 602 are electrically connected, and the lead 11 penetrates through the bottom cover 3 and extends outwards.

Specifically, the wire 11 with first conducting strip 503, second conducting strip 504, the welding of third conducting strip 602, after the welding of wire 11 was accomplished, the installation can fill glue in the E region during bottom 3, can stabilize shell body 1 with fixed connection between the bottom 3 can also be fixed after glue solidifies the welding end of wire 11 prevents wire 11 from the welding point fracture, can also play insulating seal's effect simultaneously, prevents that factors such as dust, steam among the external environment from influencing the measuring result to improve the measurement accuracy of this sensor, strengthen the measurement stability of this sensor.

Specifically, the rail 7 is made of aluminum alloy, so that abrasion caused by long-time use can be reduced, errors caused by abrasion are reduced, the sensor can keep high precision for a long time, and the service life of the sensor is prolonged; the slider 8 is made of insulating plastic, so that the electric brush 9 is not influenced to conduct electricity when the sensor works, and the sensor is convenient to produce and low in cost.

In addition, the lug 801, the mounting column 802 and the sliding block 8 are integrated, so that the structure is firm and durable, and the service life of the sensor can be prolonged.

The described embodiments of the invention are merely illustrative of the preferred embodiments of the invention and are not limited to the precise arrangements described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof; without deviating from the design concept of the present invention, the technical personnel in the field are right to the present invention has various modifications and improvements made by the technical solution that should fall into the protection scope of the present invention.

Claims

1. A novel pull rod formula sensor which characterized in that: including shell body (1) the both ends of shell body (1) be equipped with respectively with shell body (1) fixed connection's hood (2) and bottom (3) the inside of shell body (1) is equipped with mounting bracket (4) be equipped with first base plate (5) and second base plate (6) in mounting bracket (4) be equipped with resistive bar (505) on first base plate (5) just be located on first base plate (5) the both ends of resistive bar (505) are equipped with first electrode (501) and second electrode (502) respectively be equipped with third electrode (601) on second base plate (6) first base plate (5) with be equipped with slider (8) between second base plate (6) still be equipped with track (7) in mounting bracket (4), slider (8) slidable install in track (7) install brush (9) on slider (8) still connect and be fixed with pull rod (10) on slider (8), pull rod (10) pass outward extension hood (2).

2. The novel pull rod sensor of claim 1, wherein: the mounting frame (4) comprises a first mounting frame (401) and a second mounting frame (402), a groove (407) is formed in the mounting frame (4), and the track (7) is embedded in the groove (407).

3. The novel pull rod sensor of claim 2, wherein: first mounting bracket (401) is last and be located the both sides of recess (407) are equipped with first draw-in groove (403) and second draw-in groove (404) respectively on second mounting bracket (402) and be located the both sides of recess (407) are equipped with third draw-in groove (405) and fourth draw-in groove (406) respectively, first base plate (5) with second base plate (6) parallel mount, resistance strip (505) towards third electrode (601), the edge of first base plate (5) both sides is gone into respectively first draw-in groove (403) and third draw-in groove (405), the edge of second base plate (6) both sides is gone into respectively second draw-in groove (404) and fourth draw-in groove (406).

4. The novel pull rod sensor of claim 2, wherein: track (7) are equipped with two and respectively the gomphosis is in first mounting bracket (401) with in recess (407) on second mounting bracket (402) the both sides of slider (8) all are equipped with the card and go into the lug (801) of track (7) the center department of slider (8) is equipped with connection jack (803) the end of pull rod (10) is equipped with and is used for inserting connection plug (1002) of connection jack (803).

5. The novel pull rod sensor of claim 1, wherein: two symmetrical brush heads (901) are arranged at two ends of the electric brush (9), the electric brush (9) is made of metal elastic sheets, and the brush heads (901) are respectively connected to the resistor strip (505) and the third electrode (601) in a pressing mode.

6. The novel pull rod sensor of claim 4, wherein: the tail end of the sliding block (8) is provided with a counter bore (804), the bottom end of the connecting plug (1002) is provided with a riveting head (1003), the pull rod (10) is riveted with the sliding block (8), the top end of the pull rod (10) is provided with a threaded connector (1001) which is used for facilitating connection and installation, and a clamping ring (1004) is arranged at the upper end of the pull rod (10) and above the top cap (2).

7. The novel pull rod sensor of claim 4, wherein: be equipped with mounting hole (902) on brush (9), be equipped with on slider (8) and be used for inserting mounting post (802) of mounting hole (902), brush (9) with through right between slider (8) the mode riveting fixed of hot pressing is carried out to mounting post (802).

8. The novel pull rod sensor of claim 1, wherein: first base plate (5) back to be equipped with on the one side of resistance strip (505) with first conducting strip (503) that first electrode (501) electricity is connected, with second conducting strip (504) that second electrode (502) electricity is connected second base plate (6) back to be equipped with on the one side of third electrode (601) with third conducting strip (602) that third electrode (601) electricity is connected the end of shell body (1) is equipped with wire (11), wire (11) be equipped with three and respectively with first conducting strip (503), second conducting strip (504) with third conducting strip (602) electricity is connected, wire (11) pass bottom (3) outwards extend.

9. The novel pull rod sensor of claim 1, wherein: the track (7) is made of aluminum alloy, and the sliding block (8) is made of insulating plastic.

10. The novel pull rod sensor of claim 7, wherein: the lug (801), the mounting post (802) and the slider (8) are one piece.