CN216558727U

CN216558727U - Limiting device convenient for installation of resistance type position sensor

Info

Publication number: CN216558727U
Application number: CN202123158624.0U
Authority: CN
Inventors: 陆卫东
Original assignee: Changzhou Xinze Mingde Electronics Co ltd
Current assignee: Changzhou Xinze Mingde Electronics Co ltd
Priority date: 2021-12-12
Filing date: 2021-12-12
Publication date: 2022-05-17
Anticipated expiration: 2031-12-12

Abstract

The utility model belongs to the technical field of sensors, and particularly relates to a limiting device convenient for mounting a resistance-type position sensor, which comprises a workbench and a sensor, wherein the workbench is provided with a base; a fixed seat is fixedly connected to the workbench; the fixed seat is provided with a first groove; the side walls of the two sides of the first groove are provided with first sliding grooves; clamping plates are fixedly connected to the side walls of the two sides of the sensor; the clamping plate is provided with a first through groove; a second groove is formed in the bottom end of the first sliding groove; the bottom of the second groove is fixedly connected with a clamping block through a spring; a first cavity is formed in the fixed seat; a first sliding block is connected to the side wall, far away from the first groove, of the first cavity in a sliding manner; the utility model provides a limiting device convenient for mounting a resistance-type position sensor, which aims to solve the problem that when a resistance-type displacement sensor is tested, the sensor is often fixed manually and then the measurement is carried out, so that the inaccurate measurement condition is easy to occur.

Description

Limiting device convenient for installation of resistance type position sensor

Technical Field

The utility model belongs to the technical field of sensors, and particularly relates to a limiting device convenient for mounting a resistance type position sensor.

Background

The resistance sensor is an electrical parameter sensor with earlier application, and the basic principle is that the change of a measured physical quantity is converted into the change of a resistance value which has a corresponding relation with the change of the measured physical quantity, and the change of the measured physical quantity is reflected by a corresponding measuring circuit; resistive displacement sensors need to be tested in factory production to determine the stability of performance.

In the prior art, when a resistance type displacement sensor is tested, the sensor is often fixed manually and then measured, and the situation of inaccurate measurement is easy to occur.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problem that inaccurate measurement is easy to occur when the resistance type displacement sensor is tested by manually fixing the sensor and then measuring.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the limiting device convenient for mounting the resistance-type position sensor comprises a workbench and a sensor; a fixed seat is fixedly connected to the workbench; the fixed seat is provided with a first groove; the side walls of the two sides of the first groove are provided with first sliding grooves; clamping plates are fixedly connected to the side walls of the two sides of the sensor; the clamping plate is provided with a first through groove; a second groove is formed in the bottom end of the first sliding groove; the bottom of the second groove is fixedly connected with a clamping block through a spring; a first cavity is formed in the fixed seat; a first sliding block is connected to the side wall, far away from the first groove, of the first cavity in a sliding manner; the pair of first sliding blocks are connected with each other through a connecting column; a support rod is fixedly connected to the middle of the connecting column; the top end of the supporting rod extends out of the fixed seat and is fixedly connected with a pulling plate; the bottom end of the pulling plate is fixedly connected to the fixed seat through a spring, and the top end of the pulling plate is fixedly connected with a pull ring; the clamping block and the first sliding block are connected with each other through a string; the pull ring is loosened, the first sliding block moves downwards under the action of the spring force, the clamping block moves upwards under the action of the spring and is clamped into the first through groove, the whole sensor is fixed and limited, the sensor is conveniently tested, and the measurement accuracy is improved.

Preferably, a third groove is formed in the side wall, close to the first cavity, of the first chute; the bottom of the third groove is fixedly connected with a top block through a spring; the top block is connected to the inner wall of the third groove in a sliding manner; let screens piece and first logical groove dislocation, then loosen the pull ring, take out the sensor, conveniently remove the fixed to the sensor.

Preferably, a first rack plate is fixedly connected to the side wall of the top block close to the first cavity; the first rack plate extends into the first cavity; a gear is fixedly connected to the side wall of the first cavity through a rotating shaft; a fourth groove is formed in the side wall of the first cavity; a second rack plate is fixedly connected to the bottom of the fourth groove through a spring; the first rack plate and the gear are meshed with each other; the second rack plate and the gear are mutually meshed; the sensor is conveniently and automatically fixed, and the fixing time is saved.

Preferably, a pair of symmetrically distributed limiting grooves is formed in the inner wall of the third groove; a pair of symmetrically distributed limiting blocks is fixedly connected to the outer side wall of the top block; the limiting block is connected in the limiting groove in a sliding manner; during operation, because of the stopper slides in the spacing groove, can carry on spacingly to the kicking block, prevent that the kicking block from ejecting third recess under the effect of spring force, playing limiting displacement.

Preferably, a guide column is fixedly connected to the bottom of the fourth groove; a guide groove is formed in the side wall of the second rack plate; the guide post is connected to the inner wall of the guide groove in a sliding manner; the moving direction of the second rack plate can be limited, and the influence on the moving clamping position of the second rack plate due to the deformation of the spring is avoided.

Preferably, a rubber layer is fixedly connected to the side wall of the top block, which is far away from the third groove; during operation, the rubber layer is fixedly connected to the top block, so that extrusion traces of the top block on the sensor under the action of the spring force can be avoided.

The utility model has the following beneficial effects:

1. according to the limiting device convenient for mounting of the resistance-type position sensor, the pull ring is loosened, the first sliding block moves downwards under the action of the spring force, the clamping block moves upwards under the action of the spring and is clamped into the first through groove, the integral sensor is fixed and limited, the sensor can be conveniently tested, and the measurement accuracy is improved.

2. According to the limiting device convenient for mounting of the resistance-type position sensor, the clamping block is separated from the first through groove, then the sensor is jacked to move under the action of the spring force of the top plate, the clamping block and the first through groove are staggered, then the pull ring is loosened, the sensor is taken out, and the fixing of the sensor is conveniently released.

Drawings

The utility model will be further explained with reference to the drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is a view taken from the direction A of FIG. 1;

FIG. 3 is a perspective view of the holder;

FIG. 4 is an enlarged view of a portion of FIG. 1 at B;

FIG. 5 is a cross-sectional view of the top block;

FIG. 6 is a drawing of the second embodiment;

in the figure: 1. a work table; 11. a fixed seat; 12. a sensor; 13. a first groove; 14. a first chute; 15. a clamping plate; 16. a first through groove; 17. a second groove; 18. a bit block; 19. a first cavity; 191. a string 191; 2. a first slider; 21. a support bar; 22. pulling a plate; 23. a pull ring; 24. a third groove; 25. a top block; 26. a first rack plate; 27. a fourth groove; 28. a second rack plate; 29. a gear; 3. a clamping groove; 31. a limiting groove; 32. a limiting block; 33. a guide post; 34. a guide groove; 35. a rubber layer; 36. an annular ring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

The first embodiment is as follows:

as shown in fig. 1 to 5, the limiting device for facilitating the installation of the resistance position sensor according to the present invention includes a worktable 1 and a sensor 12; a fixed seat 11 is fixedly connected to the workbench 1; a first groove 13 is formed in the fixed seat 11; the side walls of the two sides of the first groove 13 are both provided with a first sliding chute 14; clamping plates 15 are fixedly connected to the side walls of the two sides of the sensor 12; the clamping plate 15 is provided with a first through groove 16; a second groove 17 is formed in the bottom end of the first sliding groove 14; a clamping block 18 is fixedly connected to the bottom of the second groove 17 through a spring; a first cavity 19 is formed in the fixed seat 11; the side wall of the first cavity 19 far away from the first groove 13 is connected with a first sliding block 2 in a sliding way; the pair of first sliding blocks 2 are connected with each other through a connecting column; a support rod 21 is fixedly connected to the middle part of the connecting column; the top end of the support rod 21 extends out of the fixed seat 11 and is fixedly connected with a pulling plate 22; the bottom end of the pulling plate 22 is fixedly connected to the fixed seat 11 through a spring, and the top end of the pulling plate 22 is fixedly connected with a pulling ring 23; the clamping block 18 and the first sliding block 2 are connected with each other through a string 191; in the prior art, when the resistance-type displacement sensor 12 is tested, the sensor 12 is often fixed manually and then measured, and therefore, inaccurate measurement is prone to occur, when the resistance-type displacement sensor 12 is used, the pull plate 22 is pulled up through the pull ring 23, then the pull plate 22 and the support rod 21 drive the first slider 2 to move upwards, the first slider 2 moves upwards to drive the clamping block 18 to move towards the bottom of the second groove through the string 191, then the clamping plate 15 slides in through the first chute 14, the sensor 12 is placed in the first groove 13, and when the sensor 12 and the side wall of the first groove 13 are mutually attached, the pull ring 23 is loosened, the first slider 2 moves downwards under the action of the spring force, the clamping block 18 moves upwards under the action of the spring and then is clamped in the first chute 16, the integral sensor 12 is fixed and limited, and the sensor 12 is convenient to test, the measurement accuracy is improved.

A third groove 24 is formed on the side wall of the first chute 14 close to the first cavity 19; a top block 25 is fixedly connected to the bottom of the third groove 24 through a spring; the top block 25 is connected to the inner wall of the third groove 24 in a sliding manner; during operation, after sensor 12 measures, pull up first slider 2 through pull ring 23, then let screens piece 18 break away from first logical groove 16, then sensor 12 pushes up sensor 12 under the effect of roof spring force, lets screens piece 18 and first logical groove 16 dislocation, then loosens pull ring 23, takes out sensor 12, conveniently removes the fixed to sensor 12.

A first rack plate 26 is fixedly connected to the side wall of the top block 25 close to the first cavity 19; the first rack plate 26 extends into the first cavity 19; a gear 29 is fixedly connected to the side wall of the first cavity 19 through a rotating shaft; a fourth groove 27 is formed in the side wall of the first cavity 19; a second rack plate 28 is fixedly connected to the bottom of the fourth groove 27 through a spring; the first rack plate 26 and the gear 29 are engaged with each other; the second rack plate 28 and the gear 29 are meshed with each other; during operation, when the sensor 12 is not fixed, the second rack plate 28 is positioned in the clamping groove 3 to fix the first sliding block 2, and when the first sliding block 2 is fixed, the clamping block 18 is completely positioned in the second groove 17, so that the sensor 12 can be conveniently placed; when the sensor 12 is placed in, the top block 25 moves into the third groove 24, then the first gear 29 plate is meshed with the gear 29, the gear 29 is meshed with the second rack plate 28 to drive the second rack plate 28 to be separated from the clamping groove 3, the fixing of the first sliding block 2 is removed, then the clamping block 18 is clamped into the first through groove 16, the sensor 12 is conveniently and automatically fixed, and the fixing time is saved.

A pair of limiting grooves 31 which are symmetrically distributed are formed in the inner wall of the third groove 24; a pair of symmetrically distributed limit blocks 32 is fixedly connected to the outer side wall of the top block 25; the limiting block 32 is connected in the limiting groove 31 in a sliding manner; during operation, because of stopper 32 slides in spacing groove 31, can carry on spacingly to kicking block 25, prevent that kicking block 25 from ejecting third recess 24 under the effect of spring force, playing limiting displacement.

A guide column 33 is fixedly connected to the bottom of the fourth groove 27; a guide groove 34 is formed on the side wall of the second rack plate 28; the guide post 33 is connected on the inner wall of the guide groove 34 in a sliding way; during operation, the action of guide post 33 and guide way 34 can be spacing the removal direction of second rack board 28, avoid influencing the removal screens of second rack board 28 because of the deformation of spring.

A rubber layer 35 is fixedly connected to the side wall of the top block 25 far away from the third groove 24; during operation, the rubber layer 35 is fixedly connected to the top block 25, so that the top block 25 can be prevented from leaving extrusion traces on the sensor 12 under the action of the spring force.

Example two:

as shown in fig. 6, in a first comparative example, as another embodiment of the present invention, an annular ring 36 is fixed to an inner wall of the pull ring 23; the annular ring 36 is made of rubber; when the sensor 12 needs to be released from the fixed state during operation, the pull ring 23 needs to be pulled, and in order to avoid damage to fingers due to long-term operation, the annular ring 36 is fixedly connected to the inner wall of the pull ring 23, and the annular ring 36 is made of rubber and can play a role in protection.

The working principle is as follows: the clamping plate 15 slides in through the first sliding groove 14, the sensor 12 is placed in the first groove 13, the top block 25 moves into the third groove 24, then the first gear 29 plate is meshed with the gear 29, the gear 29 is meshed with the second rack plate 28, the second rack plate 28 is driven to be separated from the clamping groove 3, the first slider 2 is released from being fixed, the first slider 2 moves downwards under the action of spring force, the clamping block 18 moves upwards under the action of the spring and is clamped in the first through groove 16, the integral sensor 12 is fixed and limited, the sensor 12 can be conveniently tested, and the measurement accuracy is improved; when sensor 12 needs to be taken out, pull plate 22 is pulled up through pull ring 23 earlier, then first slider 2 is driven to move up through pull plate 22 and bracing piece 21, first slider 2 moves up and can drive catch block 18 to the direction of second tank bottom through string 191, let catch block 18 break away from first logical groove 16, then sensor 12 is under the effect of ejector pad 25 spring force, let first logical groove 16 and catch block 18 dislocation, first slider 2 is gone into to second rack plate 28 card simultaneously, not only conveniently to taking out of sensor 12, still make things convenient for next time fixed.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and so on.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and such changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A limiting device convenient for installing a resistance-type position sensor is characterized by comprising a workbench (1) and a sensor (12); a fixed seat (11) is fixedly connected to the workbench (1); a first groove (13) is formed in the fixed seat (11); the side walls of the two sides of the first groove (13) are respectively provided with a first sliding chute (14); clamping plates (15) are fixedly connected to the side walls of the two sides of the sensor (12); a first through groove (16) is formed in the clamping plate (15); a second groove (17) is formed in the bottom end of the first sliding groove (14); a clamping block (18) is fixedly connected to the bottom of the second groove (17) through a spring; a first cavity (19) is formed in the fixed seat (11); a first sliding block (2) is connected to the side wall, far away from the first groove (13), of the first cavity (19) in a sliding manner; the pair of first sliding blocks (2) are connected with each other through a connecting column; a support rod (21) is fixedly connected to the middle part of the connecting column; the top end of the supporting rod (21) extends out of the fixed seat (11) and is fixedly connected with a pulling plate (22); the bottom end of the pulling plate (22) is fixedly connected to the fixed seat (11) through a spring, and the top end of the pulling plate (22) is fixedly connected with a pulling ring (23); the clamping block (18) and the first sliding block (2) are connected with each other through a string (191).

2. The limiting device convenient to mount the resistive position sensor according to claim 1, wherein a third groove (24) is formed in the side wall of the first sliding groove (14) close to the first cavity (19); a top block (25) is fixedly connected to the bottom of the third groove (24) through a spring; the top block (25) is connected to the inner wall of the third groove (24) in a sliding mode.

3. The limiting device convenient for installing the resistive position sensor according to claim 2, wherein a first rack plate (26) is fixedly connected to the side wall of the top block (25) close to the first cavity (19); the first rack plate (26) extends into the first cavity (19); a gear (29) is fixedly connected to the side wall of the first cavity (19) through a rotating shaft; a fourth groove (27) is formed in the side wall of the first cavity (19); a second rack plate (28) is fixedly connected to the bottom of the fourth groove (27) through a spring; the first rack plate (26) and the gear (29) are engaged with each other; the second rack plate (28) and the gear (29) are meshed with each other.

4. The limiting device convenient for installing the resistive position sensor according to claim 3, wherein a pair of symmetrically distributed limiting grooves (31) are formed on the inner wall of the third groove (24); a pair of symmetrically distributed limiting blocks (32) is fixedly connected to the outer side wall of the top block (25); the limiting block (32) is connected in the limiting groove (31) in a sliding mode.

5. The limiting device convenient for installing the resistive position sensor according to claim 4, wherein a guide post (33) is fixedly connected to the bottom of the fourth groove (27); a guide groove (34) is formed in the side wall of the second rack plate (28); the guide post (33) is connected on the inner wall of the guide groove (34) in a sliding manner.

6. A limiting device facilitating the installation of a resistive position sensor according to claim 5, wherein a rubber layer (35) is fixedly connected to the side wall of the top block (25) far away from the third groove (24).