CN218330354U

CN218330354U - Bidirectional tension sensor

Info

Publication number: CN218330354U
Application number: CN202222685990.XU
Authority: CN
Inventors: 张勇
Original assignee: Hefei Brans Measurement And Control Electronic Technology Co ltd
Current assignee: Hefei Brans Measurement And Control Electronic Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-17
Anticipated expiration: 2032-10-12

Abstract

The utility model provides a two-way tension sensor, including tension sensor main part, two pull ring mechanisms, the tension sensor main part left and right sides all has seted up the U-shaped cavity, and the top of tension sensor main part, the bottom surface all has seted up the screw hole, and each pull ring mechanism all includes the connecting screw rod, and each connecting screw rod all with corresponding screw hole threaded connection, each connecting screw rod one end all has set firmly the connection circle piece, all the thread bush is equipped with lock nut on each connecting screw rod other end, all is equipped with the cooperation locating component between each connecting screw rod and the tension sensor main part; the right side mid-mounting of force sensor main part has the input end connector, and the input end connector right side is equipped with the power cord, is equipped with coupling assembling between power cord and the input end connector. The utility model discloses a pull ring mechanism and cooperation locating component's setting has not only effectively solved force sensor and pull ring and has been connected the problem that drops that appears, and connection stability is high moreover.

Description

Bidirectional tension sensor

Technical Field

The utility model relates to a relevant technical field of force sensor, concretely relates to two-way force sensor.

Background

The tension sensor is a device which converts physical signals into measurable electric signals to be output, is called as a resistance strain sensor and belongs to a weighing sensor series; the tension sensor uses two tension transmitting parts to transmit force, and the structure of the tension sensor comprises a force sensitive device and two tension transmitting parts, so that the tension sensor has the advantages of high precision, long service life, simple structure and good frequency response characteristic;

when the existing tension sensor is used for bidirectional tension, the existing tension sensor needs to be connected with an external connection node for use (such as a hanging ring), two hanging rings are pulled outwards simultaneously so as to facilitate tension detection, when the existing tension sensor on the market is connected with the hanging rings, the most common structure of the existing tension sensor is shown in fig. 6 and 7, in order to be matched with the installation of the hanging rings, two threaded holes are formed in two sides of the tension sensor, and the threads of the hanging rings are screwed into the corresponding threaded holes, so that the tension sensor can be conveniently used for bidirectional tension in the later period;

the above operation method has the following problems: referring to fig. 6 and 7 in the prior art, only two sides of the tension sensor are provided with threaded holes, one end of the hanging ring is fixedly connected with a screw rod, the screw rod is screwed into the threaded hole in a matching manner, and when the bidirectional tension sensor is used, if the force is too large or the sensor is used for a long time, the problem that the screw rod is not firmly connected with the threaded holes exists, so that the use of the tension sensor is influenced;

therefore, a bidirectional tension sensor capable of positioning the hanging ring is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a two-way force sensor has solved the problem of mentioning in the background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a bidirectional tension sensor comprises a tension sensor main body and two pull ring mechanisms, wherein the left side surface and the right side surface of the tension sensor main body are both provided with U-shaped cavities, the two U-shaped cavities are arranged in a staggered manner, the top surface and the bottom surface of the tension sensor main body are both provided with threaded holes, each threaded hole is communicated with the corresponding U-shaped cavity, and each threaded hole is connected with the corresponding pull ring mechanism in a matched manner;

each pull ring mechanism comprises a connecting screw rod, each connecting screw rod is in threaded connection with a corresponding threaded hole, one end of each connecting screw rod is fixedly provided with a connecting round block, the other end of each connecting screw rod is in threaded sleeve connection with a locking nut, each locking nut is tightly matched and abutted against the inner wall of a corresponding U-shaped cavity, and a matching positioning assembly is arranged between each connecting screw rod and the tension sensor body;

the right side mid-mounting of force sensor main part has the input end joint, the right side of input end joint is provided with the power cord, be provided with coupling assembling between power cord and the input end joint.

Furthermore, a resistance strain gauge is arranged inside the tension sensor main body and is fixedly connected with the tension sensor main body.

Furthermore, pull rings are fixedly arranged at the ends of the two connecting round blocks which deviate from each other.

Furthermore, the matching positioning assembly comprises a positioning plate and two matching press grooves, the positioning plate is arranged on one side of the tension sensor main body, a U-shaped limiting groove is formed in the positioning plate, the two matching press grooves are respectively formed in the front end and the rear end of the connecting screw rod, the connecting screw rod is located in the U-shaped limiting groove, and the positioning plate is clamped in the two matching press grooves in a sliding mode through the U-shaped limiting groove;

the positioning plate is characterized in that a connecting plate is fixedly arranged on one side face of the positioning plate, an installation screw rod penetrates through the connecting plate and is inserted into the connecting plate, a hexagonal rotating block is fixedly arranged at one end of the installation screw rod, and the other end of the installation screw rod is spirally inserted into the tension sensor main body.

Furthermore, L-shaped limiting plates are fixedly arranged on two sides of the positioning plate and are fixedly connected with the connecting plate, U-shaped matching grooves are formed in the front side face and the rear side face of the tension sensor body, and the two opposite ends of the L-shaped limiting plates are clamped in the corresponding U-shaped matching grooves in a sliding mode.

Furthermore, coupling assembling includes the external screw thread sleeve, the fixed cover of external screw thread sleeve is established on the power cord, the outer wall of input end joint is the external screw thread setting, just be provided with the internal thread adapter tube between input end joint and the external screw thread sleeve and connect through the internal thread adapter tube.

Furthermore, the outer diameter of the input end connector is consistent with that of the external thread sleeve, and the input end connector and the external thread sleeve are both located in the internal thread adapter cylinder and are in threaded connection with the internal thread adapter cylinder.

The utility model provides a two-way tension sensor. Compared with the prior art, the method has the following beneficial effects:

1. the utility model discloses a cooperation setting of cooperation locating component and lock nut, because the cooperation indent has all been seted up at both ends around connecting screw, connecting screw is located the U-shaped spacing inslot, the locating plate passes through the U-shaped spacing inslot slip block in two cooperation indents, at this moment, establish lock nut through the thread bush on connecting screw, make lock nut cooperation support tightly on the inner wall of U-shaped cavity, be convenient for cooperate the U-shaped spacing groove to carry out stable fixed to connecting screw, when needs further increase its stability, carry out locking connection with the connecting plate and force sensor main part through the installation screw, effectively solved current force sensor when being connected with the pull ring, only adopt the cooperation mode of screw hole and screw rod, and when carrying out two-way pulling force, can effectively avoid current force sensor to use, the pull ring can appear connecting insecurely, the unstable problem of installation;

2. the utility model discloses a coupling assembling's setting because the outer wall of input end joint is the external screw thread setting, is provided with an internal thread switching section of thick bamboo between input end joint and the external screw thread sleeve and is connected through an internal thread switching section of thick bamboo, and the quick installation of not only being convenient for is convenient for dismantle moreover.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 shows a front three-dimensional schematic view of the present invention;

figure 2 shows a schematic top three-dimensional view of the present invention;

fig. 3 shows an exploded schematic view of the overall structure of the present invention;

fig. 4 shows a schematic view of a three-dimensional structure of a front view section of the present invention;

FIG. 5 shows a schematic three-dimensional connection at the pull ring mechanism of the present invention;

FIG. 6 shows a three-dimensional schematic diagram of a prior art tension sensor;

FIG. 7 is a partially exploded three-dimensional schematic view of a prior art tension sensor;

shown in the figure: 1. a tension sensor body; 2. a U-shaped cavity; 3. a resistance strain gauge; 4. locking the nut; 5. a ring-pulling mechanism; 51. a pull ring; 52. connecting the round blocks; 53. matching with a pressure groove; 54. connecting a screw rod; 6. a power line; 7. an L-shaped limiting plate; 8. a hexagonal rotating block; 9. an internal thread adapter cylinder; 10. an externally threaded sleeve; 11. an input end connector; 12. installing a screw rod; 13. a threaded hole; 14. a connecting plate; 15. a U-shaped mating groove; 16. a U-shaped limiting groove; 17. and (7) positioning the plate.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

In order to solve the technical problems in the background art, the following bidirectional tension sensor is provided:

with reference to fig. 1-7, the utility model provides a pair of two-way force sensor, including force sensor main part 1, two pull ring mechanisms 5, all seted up U-shaped cavity 2 on the side about force sensor main part 1, two U-shaped cavities 2 are crisscross settings, and force sensor main part 1's inside is provided with resistance strain gauge 3, resistance strain gauge 3 and force sensor main part 1 rigid coupling. Threaded holes 13 are formed in the top surface and the bottom surface of the tension sensor main body 1, each threaded hole 13 is communicated with the corresponding U-shaped cavity 2, and each threaded hole 13 is connected with the corresponding pull ring mechanism 5 in a matched mode;

each pull ring mechanism 5 comprises a connecting screw rod 54, each connecting screw rod 54 is in threaded connection with the corresponding threaded hole 13, one end of each connecting screw rod 54 is fixedly provided with a connecting round block 52, and one end of each connecting round block 52, which deviates from the connecting round block, is fixedly provided with a pull ring 51. The other end of each connecting screw rod 54 is sleeved with a locking nut 4 in a threaded manner, each locking nut 4 is tightly abutted to the inner wall of the corresponding U-shaped cavity 2 in a matched manner, and a matched positioning component is arranged between each connecting screw rod 54 and the tension sensor main body 1;

the right side mid-mounting of force sensor main part 1 has input end joint 11, and the right side that the input connects 11 is provided with power cord 6, is provided with coupling assembling between power cord 6 and the input joint 11.

The matching positioning component comprises a positioning plate 17 and two matching press grooves 53, the positioning plate 17 is arranged on one side of the tension sensor main body 1, a U-shaped limiting groove 16 is formed in the positioning plate 17, the two matching press grooves 53 are respectively formed in the front end and the rear end of a connecting screw rod 54, the connecting screw rod 54 is positioned in the U-shaped limiting groove 16, and the positioning plate 17 is clamped in the two matching press grooves 53 in a sliding mode through the U-shaped limiting groove 16;

a connecting plate 14 is fixedly arranged on one side face of the positioning plate 17, an installation screw 12 is inserted into the connecting plate 14 in a penetrating mode, a hexagonal rotating block 8 is fixedly arranged at one end of the installation screw 12, and the other end of the installation screw 12 is inserted into the tension sensor main body 1 in a spiral mode.

L-shaped limiting plates 7 are fixedly arranged on two sides of the positioning plate 17, each L-shaped limiting plate 7 is fixedly connected with the connecting plate 14, U-shaped matching grooves 15 are formed in the front side face and the rear side face of the tension sensor body 1, and the opposite ends of the two L-shaped limiting plates 7 are slidably clamped in the corresponding U-shaped matching grooves 15.

When the pull ring 51 is required to be stably fixed, the pull ring 51 is screwed into the threaded hole 13, when the pull ring is screwed into a certain degree, the two opposite ends of the two L-shaped limiting plates 7 on each positioning plate 17 are respectively clamped in the corresponding U-shaped matching grooves 15 in a sliding manner, the connecting plates 14 are pushed to drive each L-shaped limiting plate 7 to slide along the corresponding U-shaped matching groove 15, and further drive the U-shaped limiting grooves 16 to move, meanwhile, the connecting screws 54 are positioned in the U-shaped limiting grooves 16, the matching pressure grooves 53 are formed in the front end and the rear end of each connecting screw 54, the positioning plates 17 are clamped in the two matching pressure grooves 53 in a sliding manner through the U-shaped limiting grooves 16, and at the moment, the locking nuts 4 are sleeved on the connecting screws 54 through the threads, so that the locking nuts 4 are matched and tightly abutted against the inner wall of the U-shaped cavity 2, and the connecting screws 54 are conveniently matched and stably fixed with the connecting plates 14 and the tension sensor body 1 through the mounting screws 12.

Example two

As shown in fig. 1 to 7, on the basis of the above embodiments, the present embodiment further provides the following:

coupling assembling includes external screw thread sleeve 10, and external screw thread sleeve 10 fixed cover is established on power cord 6, and the outer wall that the input connects 11 is the external screw thread setting, and is provided with internal thread adapter 9 and connects through internal thread adapter 9 between input joint 11 and the external screw thread sleeve 10. The outer diameter of the input end joint 11 is the same as the outer diameter of the external thread sleeve 10, and the input end joint 11 and the external thread sleeve 10 are both located in the internal thread adapter 9 and are in threaded connection with the internal thread adapter 9.

When specifically using, because the outer wall of input end joint 11 is the external screw thread setting, the external diameter of input end joint 11 is unanimous with the external diameter of external screw thread sleeve 10, and is provided with internal thread adapter 9 between input end joint 11 and the external screw thread sleeve 10 and connects through internal thread adapter 9, not only is convenient for quick the installation, is convenient for dismantle moreover.

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. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a two-way force sensor, includes force sensor main part (1), two pull ring mechanisms (5), its characterized in that: the pull sensor comprises a pull sensor body (1), wherein the left side surface and the right side surface of the pull sensor body (1) are both provided with U-shaped cavities (2), the two U-shaped cavities (2) are arranged in a staggered manner, the top surface and the bottom surface of the pull sensor body (1) are both provided with threaded holes (13), each threaded hole (13) is communicated with the corresponding U-shaped cavity (2), and each threaded hole (13) is connected with the corresponding pull ring mechanism (5) in a matched manner;

each pull ring mechanism (5) comprises a connecting screw rod (54), each connecting screw rod (54) is in threaded connection with a corresponding threaded hole (13), a connecting round block (52) is fixedly arranged at one end of each connecting screw rod (54), a locking nut (4) is sleeved at the other end of each connecting screw rod (54) in a threaded manner, each locking nut (4) is matched and tightly abutted against the inner wall of a corresponding U-shaped cavity (2), and a matching positioning assembly is arranged between each connecting screw rod (54) and the tension sensor body (1);

the right side mid-mounting of force sensor main part (1) has input end joint (11), the right side that the input connects (11) is provided with power cord (6), be provided with coupling assembling between power cord (6) and input joint (11).

2. The bi-directional tension sensor according to claim 1, wherein: the tension sensor is characterized in that a resistance strain gauge (3) is arranged inside the tension sensor main body (1), and the resistance strain gauge (3) is fixedly connected with the tension sensor main body (1).

3. The bi-directional tension sensor of claim 1, wherein: and pull rings (51) are fixedly arranged on the ends of the two connecting round blocks (52) which are deviated from each other.

4. The bi-directional tension sensor of claim 1, wherein: the matched positioning assembly comprises a positioning plate (17) and two matched press grooves (53), the positioning plate (17) is arranged on one side of the tension sensor main body (1), a U-shaped limiting groove (16) is formed in the positioning plate (17), the two matched press grooves (53) are respectively formed in the front end and the rear end of a connecting screw rod (54), the connecting screw rod (54) is located in the U-shaped limiting groove (16), and the positioning plate (17) is clamped in the two matched press grooves (53) in a sliding mode through the U-shaped limiting groove (16);

a connecting plate (14) is fixedly arranged on one side face of the positioning plate (17), an installation screw rod (12) penetrates through the connecting plate (14) in an inserted mode, a hexagonal rotating block (8) is fixedly arranged at one end of the installation screw rod (12), and the other end of the installation screw rod (12) is spirally inserted into the tension sensor main body (1).

5. The bi-directional tension sensor according to claim 4, wherein: l-shaped limiting plates (7) are fixedly arranged on two sides of the positioning plate (17), each L-shaped limiting plate (7) is fixedly connected with the connecting plate (14), U-shaped matching grooves (15) are formed in the front side face and the rear side face of the tension sensor body (1), and the two opposite ends of the L-shaped limiting plates (7) are slidably clamped in the corresponding U-shaped matching grooves (15).

6. The bi-directional tension sensor of claim 1, wherein: the connecting assembly comprises an external thread sleeve (10), the external thread sleeve (10) is fixedly sleeved on the power line (6), the outer wall of the input end connector (11) is arranged in an external thread mode, and an internal thread adapter cylinder (9) is arranged between the input end connector (11) and the external thread sleeve (10) and connected with the external thread sleeve (10) through the internal thread adapter cylinder (9).

7. The bi-directional tension sensor of claim 6, wherein: the outer diameter of the input end connector (11) is consistent with that of the external thread sleeve (10), and the input end connector (11) and the external thread sleeve (10) are both located in the internal thread adapter cylinder (9) and are in threaded connection with the internal thread adapter cylinder (9).