CN217860813U - Switch test sample anchor clamps - Google Patents

Abstract

The utility model provides a switch test sample clamp, which comprises a shaft support, a guide shaft, an upper clamping plate, a lower clamping plate and a T-shaped lead screw component; one end of the guide shaft is fixed on the shaft support, and the other end of the guide shaft is fixed on the T-shaped screw rod component; the upper clamping plate is provided with a first hole and a first bayonet, the lower clamping plate is provided with a second hole and a second bayonet, and the guide shaft penetrates through the first hole and the second hole; the T-shaped screw rod component comprises: the horizontal rod, the lead screw, the first lead screw nut, the first shaft sleeve, the second lead screw nut and the second shaft sleeve can adjust the up-and-down movement of the upper clamping plate and the lower clamping plate by adjusting the first lead screw nut and the second lead screw nut, so that a test article can be clamped up and down. The test article can be horizontally clamped through the horizontal clamping assembly, and then the horizontal clamping assembly is fixed through the upper clamping plate and the lower clamping plate. Simple structure, the compatibility is strong.

Description

Switch test sample anchor clamps

Technical Field

The utility model relates to an electrical components and parts test field especially relates to a switch test article anchor clamps.

Background

Switches are an essential electrical component in a variety of devices. The switch has the service life no matter what kind of switch. And switch manufacturers and switch users need to sample and test a batch of switches to leave factories or use. Particularly, when the switch needs to be used under special conditions such as high temperature and high voltage, how long the service life of the switch is, the switch needs to be detected so as to be shipped or used.

When the switch service life is detected, the switch is firstly fixed, and then the service life of the switch is detected by using the switch testing jig, but the switch in the current market is various in types and different in model, so that a clamp which is simple in structure, convenient to operate and strong in compatibility is needed to adapt to fastening of switches with different models.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a switch test article anchor clamps, this switch test article anchor clamps compatibility is strong, simple structure, convenient operation, the utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:

a switch test sample clamp comprises a shaft support, a guide shaft, an upper clamping plate, a lower clamping plate and a T-shaped lead screw component;

one end of the guide shaft is fixed on the shaft support, and the other end of the guide shaft is connected with the top end of the T-shaped lead screw component;

the upper clamping plate is provided with a first hole and a first bayonet, the lower clamping plate is provided with a second hole and a second bayonet, and the guide shaft penetrates through the first hole and the second hole;

the T-shaped screw assembly comprises: the T-shaped cross rod and the screw rod are arranged in a T shape, the first screw rod nut and the first shaft sleeve are fixedly connected in a coaxial mode, the first bayonet is clamped into the peripheral wall of the first shaft sleeve, the second screw rod nut and the second shaft sleeve are fixedly connected in a coaxial mode, and the second bayonet is clamped into the peripheral wall of the second shaft sleeve. When the first screw rod nut rotates along the screw rod, the first shaft sleeve is driven to move up and down, and meanwhile, the upper clamping plate clamped on the outer peripheral wall of the first shaft sleeve is driven to move up and down; in a similar way, when the second screw rod nut rotates along the screw rod, the second shaft sleeve is driven to move downwards, the lower clamping plate of the outer peripheral wall of the second shaft sleeve is driven to move upwards and downwards, and when the upper clamping plate and the lower clamping plate are moved, the test sample placed between the upper clamping plate and the lower clamping plate is fixed.

Furthermore, the axle support on install 2 direction axle beds, the guiding axle is 2, 2 guiding axle's one end is fixed respectively on the direction axle bed, 2 guiding axle's the other end is connected the both ends of horizontal pole respectively.

Furthermore, the hand wheel device further comprises a first hand wheel and a second hand wheel, wherein the first hand wheel is fixedly arranged above the nut of the first lead screw nut, and the second hand wheel is fixedly arranged below the nut of the second lead screw nut.

Furthermore, oil-free bushings used for reducing friction and resisting high temperature are arranged in the first hole and the second hole. The oil-free lining material is tetrafluoroethylene tetrafluoride resin. The oilless bushing has the advantages that on one hand, the oilless bushing is resistant to heat at a temperature of-195-280 ℃, so that the switch test sample clamp can be used in high-temperature and low-temperature environments, on the other hand, when the upper clamping plate and the lower clamping plate move along the guide shaft, the oilless bushing can effectively reduce friction force, and meanwhile, the gap between the guide shaft and the first hole is reduced, so that an accurate guide effect is achieved.

Furthermore, the bottom surface of punch holder and the top surface of lower plate are provided with the silica gel pad that is used for preventing to press from both sides and hinders the sample.

The device further comprises a horizontal clamping assembly, wherein the horizontal clamping assembly comprises a vertical plate, a first horizontal clamping plate, a second horizontal clamping plate, an optical axis for guiding and a locking bolt;

the first horizontal clamping plate is fixedly connected with a vertical plate, the optical axis penetrates through the second horizontal clamping plate and then is inserted into the first horizontal clamping plate, and the locking bolt penetrates through the first horizontal clamping plate and the second horizontal clamping plate;

the bottom surface of punch holder and the top surface of lower plate are provided with first recess and second recess respectively, and first recess is embedded in vertical board top surface, and vertical board bottom surface embedding second recess.

Furthermore, the optical axis has 2, sets up the both sides at the locking bolt.

Through increasing horizontal centre gripping subassembly, when the unsuitable vertical clamp from top to bottom of sample pressed from both sides tightly, accessible first horizontal splint and second horizontal splint press from both sides the sample in the centre, press from both sides tight sample through rotatory locking bolt, again with horizontal centre gripping subassembly embedding upper plate's first recess and lower plate's second recess between, then rotatory first screw-nut and second screw-nut adjust the distance between upper plate and the lower plate to press from both sides tight horizontal centre gripping subassembly.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) The application discloses switch test article anchor clamps, simple structure, convenient operation can be through adjusting first screw-nut and second screw-nut, the up-and-down motion of adjustment punch holder and lower plate to press from both sides tight test article from top to bottom. Also can be through horizontal centre gripping subassembly, horizontal centre gripping article, then fix horizontal centre gripping subassembly through upper plate and lower plate, consequently have stronger article compatibility.

(2) The oilless bushing is a tetrafluoroethylene tetrafluoride resin layer, and on one hand, the heatproof temperature is-195 ℃ -280 ℃, so that the switch test sample clamp can be used in high-temperature and low-temperature environments, on the other hand, when the upper clamping plate and the lower clamping plate move along the guide shaft, the oilless bushing can effectively reduce friction force, and meanwhile, the gap between the guide shaft and the first hole is reduced, and the accurate guide effect is achieved.

Drawings

FIG. 1 is a perspective view of a switch test piece holder according to embodiment 1.

Fig. 2 is a partial exploded view of the switch test piece holder.

Fig. 3 is another partial exploded view of the opening and closing of the specimen holder.

FIG. 4 is a perspective view of the opening and closing of a sample holder according to embodiment 2.

Fig. 5 is a perspective view of the horizontal clamping assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Example 1: as shown in fig. 1 to 3, a switch sample holder 1 includes a shaft support 2, a guide shaft 3, an upper clamp 4, a lower clamp 5, and a T-shaped screw assembly 6;

one end 31 of the guide shaft 3 is fixed on the shaft support 2, and the other end 32 is connected with the top end 61 of the T-shaped screw rod component 6;

the upper splint 4 is provided with a first hole 41 and a first bayonet 42, the lower splint 5 is provided with a second hole 51 and a second bayonet 52, and the guide shaft 3 passes through the first hole 41 and the second hole 51;

the T-shaped screw assembly 6 includes: the cross rod 62, the lead screw 63, a first lead screw nut (not shown, the same as a second lead screw nut), a first shaft sleeve (not shown, the same as a second shaft sleeve), a second lead screw nut 66 and a second shaft sleeve 67, wherein the cross rod 62 and the lead screw 63 are arranged in a T shape, the first lead screw nut and the first shaft sleeve are fixedly connected in a coaxial mode, the first bayonet 42 is clamped into the peripheral wall of the first shaft sleeve, the second lead screw nut 66 and the second shaft sleeve 67 are fixedly connected in a coaxial mode, and the second bayonet 52 is clamped into the peripheral wall of the second shaft sleeve 67.

When the first screw rod nut rotates along the screw rod 63, the first shaft sleeve is driven to move up and down, and meanwhile, the upper clamping plate 4 clamped on the outer peripheral wall of the first shaft sleeve is driven to move up and down; similarly, when second screw-nut 66 rotated along lead screw 63, drive second shaft sleeve 67 and reciprocate, drive the joint simultaneously and reciprocate at the lower plate 5 of second shaft sleeve 67 periphery wall, when removing punch holder 4 and lower plate 5, fixed placing the test article between punch holder 4 and lower plate 5.

In some embodiments, as shown in fig. 3, 2 guiding shaft seats 21 are installed on the shaft support 2, the number of the guiding shafts 3 is 2, one end 31 of each of the 2 guiding shafts 3 is fixed on the guiding shaft seat 21, and the other end 32 of each of the 2 guiding shafts 3 is connected to two ends of the cross bar 62.

In some embodiments, as shown in fig. 3, the switch sample holder 1 further comprises a first hand wheel 7 and a second hand wheel 8, wherein the first hand wheel 7 is fixedly mounted above a nut of the first lead screw nut (not shown, the same as below the nut), and the second hand wheel 8 is fixedly mounted below a nut 68 of the second lead screw nut 66.

In some embodiments, see fig. 3, the first and second bores 41 and 51 are provided with oil-free bushings 9 for reducing friction and resisting high temperature. In this embodiment, the oil-free liner material is tetrafluoroethylene tetrafluoride resin.

In some embodiments, as shown in fig. 3, the bottom surface of the upper clamping plate 4 and the top surface of the lower clamping plate 5 are provided with silicone pads 10 for preventing the test articles from being pinched.

Example 2: as shown in fig. 1 to 5, on the basis of the switch test sample holder 1 described in embodiment 1, the switch test sample holder 1 further includes a horizontal clamping assembly 11, where the horizontal clamping assembly 11 includes a vertical plate 111, a first horizontal clamping plate 112, a second horizontal clamping plate 113, an optical axis 114 for guiding, and a locking bolt 115;

the first horizontal clamping plate 112 is fixedly connected with the vertical plate 111, the optical axis 114 passes through the second horizontal clamping plate 113 and then is inserted into the first horizontal clamping plate 112, and the locking bolt 115 passes through the first horizontal clamping plate 112 and the second horizontal clamping plate 113;

the bottom surface of the upper clamping plate 4 and the top surface of the lower clamping plate 5 are respectively provided with a first groove 43 and a second groove 53, the top surface of the vertical plate is embedded into the first groove, and the bottom surface of the vertical plate is embedded into the second groove.

In some embodiments, as shown in fig. 5, there are 2 optical axes 114 disposed on both sides of the locking bolt 115.

In this embodiment, by adding the horizontal clamping assembly 11, when the test sample is not suitable for vertical clamping up and down, the test sample can be clamped between the first horizontal clamping plate 112 and the second horizontal clamping plate 113, the test sample can be clamped by rotating the locking bolt 115, the horizontal clamping assembly 111 is inserted between the first groove 43 of the upper clamping plate 4 and the second groove 53 of the lower clamping plate 5, and then the first lead screw nut and the second lead screw nut 67 are rotated to adjust the distance between the upper clamping plate 4 and the lower clamping plate 5, thereby clamping the horizontal clamping assembly 111.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and decorations can be made, which are also considered as the protection scope of the present invention.

Claims (8)

1. A switch test sample clamp is characterized by comprising a shaft support, a guide shaft, an upper clamping plate, a lower clamping plate and a T-shaped lead screw component;

one end of the guide shaft is fixed on the shaft support, and the other end of the guide shaft is connected with the top end of the T-shaped screw rod component;

the upper clamping plate is provided with a first hole and a first bayonet, the lower clamping plate is provided with a second hole and a second bayonet, and the guide shaft penetrates through the first hole and the second hole;

the T-shaped screw rod component comprises: the T-shaped clamping device comprises a cross rod, a screw rod, a first screw rod nut, a first shaft sleeve, a second screw rod nut and a second shaft sleeve, wherein the cross rod and the screw rod are arranged in a T shape, the first screw rod nut and the first shaft sleeve are coaxially and fixedly connected, a first bayonet is clamped into the peripheral wall of the first shaft sleeve, the second screw rod nut and the second shaft sleeve are coaxially and fixedly connected, and a second bayonet is clamped into the peripheral wall of the second shaft sleeve.

2. The fixture for switch test articles as claimed in claim 1, wherein the shaft support is provided with 2 guiding shaft seats, the number of the guiding shafts is 2, one end of each of the 2 guiding shafts is fixed on the guiding shaft seat, and the other end of each of the 2 guiding shafts is connected to two ends of the cross bar.

3. The switch sample holder of claim 2, further comprising a first hand wheel fixedly mounted above the nut of the first lead screw nut and a second hand wheel fixedly mounted below the nut of the second lead screw nut.

4. The switch sample holder as claimed in claim 1, wherein the first and second cavities have oil-free bushings for reducing friction and resisting high temperature.

5. The fixture for switch test pieces according to claim 4, wherein the oilless bushing material is a layer of tetrafluoroethylene tetrafluoride resin.

6. The switch specimen holder of claim 1, wherein the bottom surface of the upper clamping plate and the top surface of the lower clamping plate are provided with silicone pads for preventing the specimen from being pinched.

7. The switch sample holder of claim 1, further comprising a horizontal clamping assembly comprising a vertical plate, a first horizontal clamping plate, a second horizontal clamping plate, an optical axis for alignment, and a locking bolt;

the first horizontal clamping plate is fixedly connected with the vertical plate, the optical axis penetrates through the second horizontal clamping plate and then is inserted into the first horizontal clamping plate, and the locking bolt penetrates through the first horizontal clamping plate and the second horizontal clamping plate;

the bottom surface of punch holder and the top surface of lower plate are provided with first recess and second recess respectively, and first recess is embedded in vertical board top surface, and vertical board bottom surface embedding second recess.

8. The switch sample holder as claimed in claim 7, wherein said optical axis has 2 optical axes, and is disposed at both sides of the locking bolt.

Images