Spring clip installation type sensor
By setting a limit arm accommodating groove on the inner wall of the sensor's housing, the problem of easy scratches in the limit arm during sensor removal is solved, and a safer disassembly process is achieved.
Patent Information
- Application Number
- CN202323489566.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-20
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2033-12-20
AI Technical Summary
During the sensor removal process, the limiting arm of the spring clip is prone to scratch the sensor body.
A spring clip-mounted sensor is designed, which has a limit arm accommodating groove on the inner wall of the spring clip mounting part of the housing. When the sensor is installed, the limit arm is hidden in the containment groove, so it is not easy to disassemble. Scratch the sensor body.
It effectively avoids scratches on the sensor body by the limiting arm during the sensor removal process, and improves the sensor removal safety.
Smart Images
Figure CN222438859U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a sensor device, in particular to a spring clip mounted sensor. Background Art
[0002] Some sensors are installed using spring clips, which include a shell, a sensor body and a spring clip. The sensor body is installed on the shell from back to front. The spring clip is installed at the rear of the shell, and the two ends of the spring clip extend forward respectively. The first end is a swing arm, which is located on the outside of the shell, and the second end is a limit arm, which is located on the inside of the shell. Taking a mounting plate as the sensor installation object and installing the sensor on the mounting plate as an example, the operator first opens a mounting hole on the mounting plate. The opening of the mounting hole is wider than the rear of the shell and narrower than the front of the shell. The operator allows the swing arm of the spring clip to swing outward. During this process, the limit arm is against the inner wall of the rear of the shell and is blocked and limited by the inner wall of the shell. Therefore, it cannot swing outward with the swing arm. Therefore, the swing arm swings outward relative to the limit arm, thereby causing the coil part to undergo elastic deformation. The operator allows the swing arm of the spring clip to keep swinging outward and enter backward. After entering the installation hole, let go, and the swing arm of the spring clip will swing inwards under the action of elastic force, pushing against the mounting plate, driving the shell to move backwards into the installation hole until the front of the shell moves to the front of the installation hole opening. Since the installation hole opening is narrower than the front of the shell, the front of the shell will be blocked by the mounting plate and cannot pass through the installation hole backwards, and the swing arm of the spring clip is just blocked by the mounting plate and cannot continue to swing inwards. In this state, the front of the shell and the swing arm of the spring clip clamp the mounting plate together, one in front and one in the back, thus completing the installation of the sensor. After the installation is completed, the limit arm of the spring clip rests on the inner wall of the rear of the shell and protrudes inwards. The operator sometimes needs to move the sensor body backwards and remove it from the shell. During this process, the limit arm is likely to hinder the retreat of the sensor body or even scratch the sensor body. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a spring clip mounted sensor, which is installed by using a spring clip. When an operator removes the sensor body from a shell, the limit arm of the spring clip is not easy to scratch the sensor body.
[0004] In order to solve the above technical problems, the utility model provides a spring clamp mounted sensor, including a shell, a sensor body and a spring clamp mounted on the shell, the shell having an axially arranged spring clamp mounting portion and a wide head clamping portion, the spring clamp being mounted on the spring clamp mounting portion, and both ends of the spring clamp extending toward the clamping portion respectively, wherein the first end is a swing arm located on the outside of the shell, and the second end is a limit arm located on the inside of the shell, the swing arm and the clamping portion jointly axially clamp the sensor mounting object so that the sensor is mounted at the sensor mounting object, the sensor body can be axially moved away from the clamping portion from the inside of the spring clamp mounting portion of the shell to exit the shell, and a limit arm accommodating groove is opened on the inner wall of the spring clamp mounting portion of the shell, and when the sensor has been installed on the sensor mounting object, the limit arm of the spring clamp is accommodated in the limit arm accommodating groove.
[0005] Furthermore, the housing is provided with a buckle, which buckles the sensor body so that the sensor body cannot move axially from the inner side of the spring clip installation part of the housing away from the clamping part, and the buckle is exposed for manual operation to unlock.
[0006] Furthermore, an elastic block extends from the shell, and a buckle is arranged on the elastic block. The buckle specifically buckles the sensor body inwardly, and when the buckle is pulled outward by hand, the elastic block is driven to undergo elastic deformation outward to achieve unlocking.
[0007] Furthermore, a through slot penetrating inward is provided on the shell body, and the elastic block is arranged at the through slot.
[0008] Furthermore, the clamping portion of the shell is annular and protrudes outward.
[0009] Furthermore, the clamping portion of the shell is arranged at one end of the shell, and the sensing surface of the sensor body faces this end.
[0010] Furthermore, the shell is provided with a limiting portion, which blocks the sensor body so that the sensor body cannot axially move away from the spring clip mounting portion from the inner side of the clamping portion to exit the shell.
[0011] Furthermore, when the sensor is mounted on the sensor mounting object, the limit arm of the spring clip is hidden in the limit arm accommodating groove and does not protrude from the inner wall of the spring clip mounting portion of the housing.
[0012] The spring clamp mounted sensor of the utility model utilizes the swing arm of the spring clamp and the clamping part of the shell to axially clamp the sensor installation object to install the sensor on the sensor installation object. When the operator needs to remove the sensor body from the shell, the sensor body is axially withdrawn from the shell from the inner side of the spring clamp installation part of the shell. During this process, since the limit arm of the spring clamp is accommodated in the limit arm accommodating groove, the limit arm protrudes less on the inner wall of the spring clamp installation part, so it is not easy to scratch the sensor body. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 Schematic diagram of the sensor, where the viewpoint is from the oblique rear side of the sensor.
[0014] Figure 2 yes Figure 1 A partial enlarged picture of Figure 1 The A part.
[0015] Figure 3 Schematic diagram of the sensor, in which the sensor body has been moved backward out of the sensor.
[0016] Figure 4 yes Figure 3 A partial enlarged picture of Figure 3 Part B.
[0017] Figure 5 Figure 2 is a schematic diagram of the sensor and mounting plate.
[0018] Figure 6 This is a schematic diagram of the sensor and mounting plate, with the spring clip's swing arm swung outward.
[0019] Figure 7 The diagram is a schematic diagram of the sensor installed on the mounting plate. DETAILED DESCRIPTION
[0020] The present invention is further described in detail below in conjunction with specific implementation methods.
[0021] A spring clip mounted sensor Figure 1 The arrow C in the middle points to the front. Figure 1 and Figure 3 The sensor includes a shell 1 and a sensor body 2. The axial direction of the shell 1 is the front-to-back direction. The middle part 13 of the shell 1 is provided with a mounting cavity 131 with a cavity opening facing backwards. The front end 12 of the shell 1 is provided with a sensing hole 120, and the hole wall of the sensing hole 120 extends inwards with an annular limiting portion 121. The sensor body 2 is axially installed into the mounting cavity 131 of the shell 1 from the back to the front. After installation, the sensing surface of the sensor body 2 faces forward and is exposed through the sensing hole 120 at the front end of the shell 1. The sensor body 2 is blocked by the limiting portion 121 and cannot move axially forward from the inside of the limiting portion 121 to pass through the limiting portion 121 and exit the shell 1. See Figure 1 and Figure 2The side wall of the middle part 13 of the shell 1 is provided with a through slot 132 which passes through inwards. An exposed block 133 extends backwards from the front slot wall of the through slot 132. The block 133 is made of elastic plastic. An exposed plastic buckle 134 extends inwards from the rear end of the block 133. The buckle 134 buckles the sensor body 2 inwards and blocks the sensor body 2 from behind so that the sensor body 2 cannot move axially backwards from the inside of the rear end 11 of the shell 1 to exit the shell 1. The front end 12 of the shell 1 protrudes outwards in a circumferential manner to form an annular wide-head clamping portion 122. The rear end 11 of the shell 1 is a spring clip mounting portion, on which two existing spring clip mounting structures 113 are provided. A metal spring clip 3 is installed at each of the two spring clip mounting structures 113. The first end of the spring clip 3 is a swing arm 32, which is located on the outside of the shell 1 and extends forwards and outwards. The second end is a limit arm 33, which is located on the inside of the shell 1 and extends forwards and inwards. See Figure 4 The inner wall 112 of the rear end 11 of the housing 1 is provided with two limit arm receiving grooves 111 (only one of them is shown in the figure due to the viewing angle), and the limit arms 33 of the two spring clips 3 are against the inner wall 112 of the rear end 11 of the housing 1 and are respectively hidden in the two limit arm receiving grooves 111 of the inner wall 112. Figure 5 , taking a mounting plate 4 at the rear as a sensor mounting object as an example, in order to mount the sensor on the mounting plate 4, the operator first opens a mounting hole 41 on the mounting plate 4. The mounting hole 41 is wider than the rear end 11 of the housing 1 and the middle part 13 of the housing 1, and narrower than the clamping part 122 of the front end 12 of the housing 1. The operator swings the swing arm 32 of the spring clamp 3 outward. During this process, Figure 4 The limiting arm 33 is blocked and limited by the wall of the limiting arm accommodating groove 111 of the housing 1, so it cannot swing outward with the swing arm 32. Therefore, the swing arm 32 swings outward relative to the limiting arm 33, which causes the spring clip 3 to undergo elastic deformation. Figure 6 , the operator allows the spring clip 3 to keep the swing arm 32 swinging outward and enter the mounting hole 41 backward, and then releases the spring clip 3. The swing arm 32 of the spring clip 3 swings inward and closes under the action of elastic force, and pushes each other axially with the mounting plate 4, thereby driving the shell 1 to move backward and enter the mounting hole 41, until the clamping portion 122 of the front end 12 of the shell 1 moves to the front of the mounting hole 41. Since the clamping portion 122 of the front end 12 of the shell 1 is wider than the mounting hole 41, the clamping portion 122 of the front end 12 of the shell 1 will be blocked by the mounting plate 4 and cannot pass through the mounting hole 41 backward, and the swing arm 32 of the spring clip 3 is just blocked by the mounting plate 4 and cannot continue to swing inward. In this state, Figure 7 As shown, the clamping portion 122 of the front end 12 of the housing 1 and the swing arm 32 of the spring clamp 3 clamp the mounting plate 4 together, one in front and one behind, so that the sensor is installed on the mounting plate 4.
[0022] See Figure 2 and Figure 3When the sensor is installed on the mounting plate 4, if the user needs to remove the sensor body 2 from the housing 1, the user first pulls the buckle 134 outward by hand, and the buckle 134 drives the block 133 to move outward and deform elastically until the buckle 134 no longer buckles the sensor body 2, thereby achieving the release. The user then allows the sensor body 2 to move axially backward from the inner side of the rear end 11 of the housing 1 to exit the housing 1. During this process, Figure 4 Since the limiting arm 33 of the spring clip 3 is hidden in the limiting arm accommodating groove 111 and the limiting arm 33 does not protrude from the inner wall 112 of the rear end 11 of the housing 1 , the sensor body 2 will not be scratched.
[0023] See Figure 4 In this embodiment, when the sensor is not installed on the mounting plate 4, the limiting arm 33 of the spring clip 3 has already leaned against the inner wall 112 of the rear end 11 of the housing 1 and is hidden in the limiting arm accommodating groove 111 of the inner wall 112; after the sensor is installed, the position of the limiting arm 33 of the spring clip 3 remains unchanged. In other embodiments, it may be that: when the sensor is not installed on the mounting plate 4, the limiting arm 33 of the spring clip 3 does not lean against the inner wall 111 and is not hidden in the limiting arm receiving groove 111 of the inner wall 111, but is tilted toward the inner side of the inner wall 112 of the rear end 11 of the shell 1; until the sensor is installed on the mounting plate 4, the limiting arm 33 is driven by the swing arm 32 to approach the inner wall 112 of the rear end 11 of the shell 1 and enter the limiting arm receiving groove 111 of the inner wall 112; after the sensor is installed on the mounting plate 4, the limiting arm 33 of the spring clip 3 leans against the inner wall 112 of the rear end 11 of the shell 1 and is hidden in the limiting arm receiving groove 111 of the inner wall 112.
[0024] See Figure 4 In this embodiment, the limiting arm 33 of the spring clip 3 is hidden in the limiting arm receiving groove 111, and does not protrude from the inner wall 112 of the rear end 11 of the housing 1. In other words, the limiting arm 33 of the spring clip 3 protrudes from the inner wall 112 of the rear end 11 of the housing 1 to zero, so the sensor body 2 will not be scratched. In other embodiments, although the limiting arm 33 of the spring clip 3 is accommodated in the limiting arm receiving groove, a small part of the limiting arm 33 may protrude from the inner wall 112 of the rear end 11 of the housing 1. In other words, the limiting arm 33 protrudes from the inner wall 112 of the rear end 11 of the housing 1 to a small extent, so the sensor body 2 is not easily scratched.
[0025] See Figure 1 In this embodiment, the sensing surface of the sensor body 2 faces forward, the clamping portion 122 is located at the front end 12 of the housing 1, the rear end 11 of the housing is the spring clip mounting portion, and the swing arm 32 and the limit arm 33 of the spring clip 3 extend forward. In other embodiments, the sensor body 2 is placed in a fixed direction, and the other components of the sensor are reversed, that is, the clamping portion is located at the rear end of the housing, the spring clip mounting portion is located at the front end of the housing, and the spring clip extends the swing arm and the limit arm to the rear.
Claims
1. A spring clip mounted sensor, comprising a housing, a sensor body and a spring clip mounted on the housing, wherein the housing has an axially arranged spring clip mounting portion and a wide head clamping portion, the spring clip is mounted on the spring clip mounting portion, and both ends of the spring clip extend toward the clamping portion, wherein: The first end is a swing arm, which is located on the outside of the shell, and the second end is a limit arm, which is located on the inside of the shell. The swing arm and the clamping part jointly axially clamp the sensor installation object so that the sensor is installed on the sensor installation object. The sensor body can be axially moved away from the clamping part from the inside of the spring clamp installation part of the shell to exit the shell. It is characterized in that: a limit arm accommodating groove is opened on the inner wall of the spring clamp installation part of the shell, and when the sensor has been installed on the sensor installation object, the limit arm of the spring clamp is accommodated in the limit arm accommodating groove.
2. The spring clip mounted sensor according to claim 1, characterized in that: The shell is provided with a buckle, which buckles the sensor body so that the sensor body cannot move axially from the inner side of the spring clip installation part of the shell away from the clamping part, and the buckle is exposed for manual operation to release the buckle.
3. The spring clip mounted sensor according to claim 2, characterized in that: An elastic block extends from the shell, and a buckle is arranged on the elastic block. The buckle buckles the sensor body inwardly, and when the buckle is pulled outward by hand, the elastic block is driven to deform elastically outward to realize unfastening.
4. The spring clip mounted sensor according to claim 3, characterized in that: A through slot penetrating inward is provided on the shell body, and the elastic block is arranged at the through slot.
5. The spring clip mounted sensor according to claim 1, characterized in that: The clamping portion of the shell is annular and protrudes outward.
6. The spring clip mounted sensor according to claim 1, characterized in that: The clamping portion of the shell is arranged at one end of the shell, and the sensing surface of the sensor body faces this end.
7. The spring clip mounted sensor according to claim 1, characterized in that: The shell is provided with a limiting portion, which blocks the sensor body so that the sensor body cannot axially move away from the spring clip installation portion from the inner side of the clamping portion to exit the shell.
8. The spring clip mounted sensor according to claim 1, characterized in that: When the sensor is mounted on the sensor mounting object, the limiting arm of the spring clip is hidden in the limiting arm accommodating groove and does not protrude on the inner wall of the spring clip mounting portion of the housing.