CN210875376U

CN210875376U - High-low temperature alternating temperature test box

Info

Publication number: CN210875376U
Application number: CN201920735240.4U
Authority: CN
Inventors: 管冬男
Original assignee: Suzhou Fujita Printing Co ltd
Current assignee: Suzhou Fujita Printing Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-06-30
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a warm proof box of high low temperature reversal relates to test equipment technical field, aims at solving among the prior art and takes place the problem of removal easily when the box integument mistake bumps. The technical scheme is that the device comprises a box body, wherein four corners of the bottom surface of the box body are respectively provided with a caster which is abutted against the ground, the outer side wall of the box body is provided with a mounting block, and the bottom end of the mounting block is flush with the bottom surface of the box body; a screw rod penetrates through the mounting block from top to bottom and is in threaded connection with the mounting block; the bottom of screw rod is provided with the butt piece, and the top of screw rod is provided with the hand wheel, and the hand wheel is used for the butt piece and the ground butt of drive screw rod bottom. During the use, rotate the screw rod through the hand wheel and make the butt piece of screw rod bottom move down and tightly offset with ground can, greatly increased the resistance when the box removes to can prevent that the box from bumping and taking place to remove often by the mistake.

Description

High-low temperature alternating temperature test box

Technical Field

The utility model belongs to the technical field of test equipment technique and specifically relates to a warm proof box of high low temperature reversal.

Background

The high-low temperature alternating humidity-heat test chamber and the constant temperature and humidity test chamber belong to the same kind of products, and are different only in terms of law. The high-low temperature alternating damp-heat test box is necessary test equipment in the fields of aviation, automobiles, household appliances, scientific research and the like, and is used for testing and determining parameters and performances of electricians, electronics and other products and materials after the temperature environment changes of high temperature, low temperature, alternating damp-heat degree or constant test.

The current chinese patent with the publication number CN103285943A discloses a constant temperature and humidity test box, which comprises a box body, an observation window, a control box, a water replenishing tank, universal wheels and test holes, wherein the observation window is arranged on the upper left of the front of the box body, the water replenishing tank is arranged on the lower right of the front of the box body, the control box is arranged above the water replenishing tank, the universal wheels are arranged at four corners of the bottom of the box body, and the test holes are arranged on one side of the box body.

The above prior art solutions have the following drawbacks: above-mentioned prior art scheme removes through the universal wheel to the box, and when people's mistake was met the box, the box can take place to slide through the universal wheel for the box collides with other equipment or wall body easily, is unfavorable for the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high low temperature reversal thermal test case, its advantage can prevent that the box quilt from bumping often taking place to remove by mistake.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a high-low temperature alternating temperature test box comprises a box body, wherein four corners of the bottom surface of the box body are respectively provided with a caster which is abutted against the ground, the outer side wall of the box body is provided with a mounting block, and the bottom end of the mounting block is flush with the bottom surface of the box body; a screw rod penetrates through the mounting block from top to bottom, and the screw rod is in threaded connection with the mounting block; the bottom of screw rod is provided with the butt piece, the top of screw rod is provided with the hand wheel, the hand wheel is used for the butt piece and the ground counterbalance of drive screw rod bottom.

Through adopting above-mentioned technical scheme, utilize the hand wheel to rotate the screw rod and make the butt piece downstream of screw rod bottom and tightly offset the back with ground, resistance when can the greatly increased box remove to can prevent that the box from bumping and taking place to remove often by the mistake.

The utility model discloses further set up to: the bottom of butt joint piece is provided with a plurality of rubber piece, the rubber piece is hemispherical.

Through adopting above-mentioned technical scheme, after butt piece offseted with ground, the rubber block was in the state of compressed to resistance when further having increased the box and having removed.

The utility model discloses further set up to: the bottom of screw rod is connected with butt piece inlay card, just the screw rod can carry out circumferential direction for the butt piece.

By adopting the technical scheme, when the rubber block is in contact with the ground, the screw rod can be continuously rotated, so that the rubber block is in a compression state. Because the screw rod is connected with the butt piece inlay card, so continue rotatory screw rod again after the rubber block offsets with ground, the butt piece can not follow and rotate to the wearing and tearing to the rubber block have been reduced.

The utility model discloses further set up to: the top end of the mounting block is provided with a circular groove, the bottom wall of the circular groove is uniformly distributed with at least three through holes along the circumferential direction of the circular groove, and a limiting rod is arranged in each through hole in a sliding manner along the vertical direction; the bottom end of each limiting rod penetrates through the through hole and abuts against the top end of the abutting block, and the top end of each limiting rod extends out of the upper part of the circular groove and is connected with a clamping ring together; the clamping ring is matched with the circular groove and sleeved outside the screw rod, and the diameter of the screw rod is smaller than the inner diameter of the clamping ring; and a limiting mechanism capable of preventing the limiting rod from sliding up and down is arranged between the clamping ring and the circular groove.

Through adopting above-mentioned technical scheme, the gag lever post offsets with the top of butt piece, has increased the stability of being connected between butt piece and the installation piece.

The utility model discloses further set up to: the bottom end of the clamping ring is provided with an annular groove along the circumferential direction of the clamping ring, the top end of the limiting rod extends into the annular groove, the section of the annular groove is T-shaped, and a spherical block is arranged at one end of the limiting rod extending into the annular groove; the limiting mechanism comprises a limiting ring groove arranged on the bottom wall of the circular groove, a notch arranged at the top end of the mounting block and a clamping block arranged at the bottom end of the clamping ring; the limiting ring groove and the circular groove are coaxially arranged, and the diameter of the circular groove is larger than the inner diameter of the limiting ring groove and smaller than the outer diameter of the limiting ring groove; the breach extends to on the inside wall of circular recess and with spacing annular intercommunication, the fixture block along the radial outside extension of snap ring and with breach and spacing annular adaptation.

Through adopting above-mentioned technical scheme, after butt piece and ground offset, the clamping ring of pulling downwards can make gag lever post and butt piece offset, then can fix the gag lever post through stop gear to make the gag lever post keep the state that offsets with the butt piece.

The utility model discloses further set up to: and a rubber pad is arranged on the bottom wall of the circular groove.

Through adopting above-mentioned technical scheme, the rubber pad has certain elasticity, provides certain surplus for reciprocating of snap ring to make the fixture block change and remove in spacing annular.

The utility model discloses further set up to: the bottom of gag lever post is provided with the stopper, the bottom of through-hole is provided with the groove of stepping down with the stopper adaptation.

Through adopting above-mentioned technical scheme, can prevent that the gag lever post from breaking away from the through-hole, have limiting displacement.

The utility model discloses further set up to: the hand wheel is provided with a polygonal insertion block, and the top end of the screw rod is provided with a polygonal insertion groove for inserting the polygonal insertion block.

Through adopting above-mentioned technical scheme, realized that the hand wheel can be dismantled, can drive a plurality of threaded rods through a hand wheel and rotate to also reached and conveniently changed the hand wheel and carry out clear effect to it.

To sum up, the utility model discloses a beneficial technological effect does:

1. through the arrangement of the screw rod, the abutting block and the hand wheel, the box body can be prevented from moving when being touched by mistake;

2. the connection stability between the abutting block and the mounting block is improved through the arrangement of the limiting rod, the clamping ring and the limiting block;

3. through the setting of circular groove, ring channel, spacing annular, breach and fixture block, have and to make the gag lever post keep with the state of butt piece butt.

Drawings

Fig. 1 is a schematic overall structure diagram of a high-low temperature alternating warming test box according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a mounting block according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a mounting block shown in an embodiment of the invention;

fig. 4 is a schematic structural diagram for showing a state that the snap ring is clamped into the circular groove according to an embodiment of the present invention.

In the figure, 1, a box body; 11. a caster wheel; 12. a box door; 2. mounting blocks; 21. a circular groove; 22. a through hole; 23. a limiting ring groove; 24. a notch; 25. a rubber pad; 26. a limiting block; 27. a yielding groove; 3. a screw; 31. a hand wheel; 32. a polygonal insert block; 33. a polygonal slot; 4. a butting block; 41. a rubber block; 42. a circular block; 43. a card slot; 5. a limiting rod; 51. an annular groove; 52. a spherical block; 53. a snap ring; 54. a clamping block; 55. and (5) increasing the friction of the convex strips.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a high low temperature alternation thermal test chamber, including box 1 and the chamber door 12 of setting in box 1 one side. The bottom surface four corners department of box 1 all is provided with the truckle 11 that offsets with ground, and box 1 all is provided with two installation pieces 2 with the both ends of two lateral wall bottoms of chamber door 12 vertically, promptly, and the four corners department of box 1 has all set up installation piece 2. One of the mounting blocks 2 is specifically described below as an example.

Referring to fig. 1, the bottom end of the installation block 2 is flush with the bottom surface of the box body 1, a screw rod 3 is arranged on the installation block 2 from top to bottom in a penetrating mode, and the screw rod 3 is in threaded connection with the installation block 2. The bottom of screw rod 3 stretches out installation piece 2 below and is connected with butt piece 4, and the top of screw rod 3 stretches out installation piece 2 top and is connected with hand wheel 31, rotates hand wheel 31 and can drive screw rod 3 and rotate to make the butt piece 4 and the ground counterbalance of screw rod 3 bottom.

Referring to fig. 2 and 3, a polygonal insertion block 32 is disposed on the hand wheel 31, a polygonal slot 33 for inserting the polygonal insertion block 32 is disposed at the top end of the screw rod 3, and in this embodiment, the polygonal insertion block 32 and the polygonal slot 33 are both hexagonal. The bottom end of the abutting block 4 is provided with a plurality of rubber blocks 41, and in the embodiment, the rubber blocks 41 are hemispherical. The bottom of screw rod 3 is connected with butt piece 4 inlay card, and screw rod 3 can carry out circumferential direction for butt piece 4. Specifically, the top of butt piece 4 is provided with draw-in groove 43, and draw-in groove 43 is the type of protruding, and draw-in groove 43 and be provided with circular block 42 are stretched into to the bottom of screw rod 3, and the diameter of circular block 42 is greater than the diameter of screw rod 3 for prevent that screw rod 3 from breaking away from butt piece 4, and make screw rod 3 can carry out circumferential direction for butt piece 4.

Referring to fig. 2 and 3, a circular groove 21 is opened at the top end of the mounting block 2, four through holes 22 are uniformly distributed on the bottom wall of the circular groove 21 along the circumferential direction of the circular groove 21, and a limiting rod 5 is slidably arranged in each through hole 22 along the vertical direction. The bottom of four gag lever posts 5 all wears out corresponding through-hole 22 and offsets with the top of butt piece 4, and the top of four gag lever posts 5 all stretches out the top of circular recess 21 and is connected with snap ring 53 jointly, is provided with on snap ring 53 along its circumference distribution have a plurality of increase sand grip 55. The snap ring 53 is matched with the circular groove 21 and sleeved outside the screw rod 3, and the diameter of the screw rod 3 is smaller than the inner diameter of the snap ring 53. The bottom of gag lever post 5 is provided with and is circular shape stopper 26, and the bottom of through-hole 22 is provided with the groove 27 of stepping down with stopper 26 adaptation, and the groove 27 of stepping down is used for supplying stopper 26 card to go into.

Referring to fig. 3, an annular groove 51 for the top end of the limiting rod 5 to extend into is formed in the bottom end of the clamping ring 53 along the circumferential direction of the clamping ring, the section of the annular groove 51 is T-shaped, a spherical block 52 is arranged at one end of the limiting rod 5 extending into the annular groove 51, and the diameter of the spherical block 52 is larger than that of the limiting rod 5. A limiting mechanism capable of preventing the limiting rod 5 from sliding up and down is arranged between the clamping ring 53 and the circular groove 21, and specifically, the limiting mechanism comprises a limiting ring groove 23 arranged on the bottom wall of the circular groove 21, a notch 24 arranged at the top end of the mounting block 2 and a clamping block 54 arranged at the bottom end of the clamping ring 53. The stopper ring groove 23 is provided coaxially with the circular groove 21, and the diameter of the circular groove 21 is larger than the inner diameter of the stopper ring groove 23 and smaller than the outer diameter of the stopper ring groove 23. The notch 24 extends to the inner side wall of the circular groove 21 and is communicated with the limit ring groove 23, and the fixture block 54 extends outwards of the clamping ring 53 along the radial direction of the clamping ring 53 and is matched with the notch 24 and the limit ring groove 23. In this embodiment, two clamping blocks 54 are uniformly distributed on the snap ring 53 along the circumferential direction thereof, two notches 24 are also provided at the top end of the mounting block 2, and the two notches 24 correspond to the two clamping blocks 54 one by one.

Referring to fig. 3 and 4, a rubber pad 25 is disposed on the bottom wall of the circular groove 21, and the screw 3 and the stopper rod 5 are disposed through the rubber pad 25. Rotate the screw rod 3 through hand wheel 31 and make butt piece 4 and the ground counterbalance back of screw rod 3 bottom, promote gag lever post 5 downwards through snap ring 53 and make stopper 26 offset with the top of butt piece 4, at this moment, snap ring 53 stretches into circular recess 21 and offsets with rubber pad 25 (rubber pad 25 at this moment is in by the extrusion state), simultaneously, fixture block 54 stretches into ring channel 51 through corresponding breach 24, rotatory snap ring 53 is located two breach 24 after in the middle of to fixture block 54, can make gag lever post 5 and butt piece 4 keep lasting the state of offsetting.

The implementation principle of the embodiment is as follows:

in the initial state, the caster 11 abuts against the ground, and the limit block 26 is located in the corresponding receding groove 27, that is, the abutting block 4 is located above the ground.

When in use, the hand wheel 31 rotates the screw rod 3, so that the rubber block 41 on the abutting block 4 abuts against the ground and is in a compressed state. After the rubber block 41 on the abutting block 4 abuts against the ground, the limiting rod 5 is pushed downwards through the snap ring 53, so that the limiting block 26 abuts against the top end of the abutting block 4. At this time, the bottom end of the snap ring 53 extends into the circular groove 21 and abuts against the rubber pad 25. Simultaneously, fixture block 54 on snap ring 53 stretches into annular groove 51 through corresponding breach 24, and rotatory snap ring 53 makes fixture block 54 on snap ring 53 be located two breach 24 between the back this moment, can make gag lever post 5 and butt piece 4 keep the state of lasting counterbalance to carry out better support to butt piece 4.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a high low temperature alternation thermal test case, includes box (1), the bottom surface four corners department of box (1) all is provided with truckle (11) that offset with ground, its characterized in that: the outer side wall of the box body (1) is provided with a mounting block (2), and the bottom end of the mounting block (2) is flush with the bottom surface of the box body (1); a screw rod (3) penetrates through the mounting block (2) from top to bottom, and the screw rod (3) is in threaded connection with the mounting block (2); the bottom of screw rod (3) is provided with butt piece (4), the top of screw rod (3) is provided with hand wheel (31), hand wheel (31) are used for driving butt piece (4) and the ground butt of screw rod (3) bottom.

2. The high-low temperature alternating thermal test chamber according to claim 1, wherein: the bottom of butt joint piece (4) is provided with a plurality of block rubber (41), block rubber (41) are hemispherical.

3. The high-low temperature alternating thermal test chamber according to claim 2, wherein: the bottom end of the screw rod (3) is connected with the abutting block (4) in a clamping and embedding mode, and the screw rod (3) can rotate in the circumferential direction relative to the abutting block (4).

4. The high-low temperature alternating thermal test chamber according to claim 1, wherein: the top end of the mounting block (2) is provided with a circular groove (21), at least three through holes (22) are uniformly distributed on the bottom wall of the circular groove (21) along the circumferential direction of the circular groove (21), and a limiting rod (5) is arranged in each through hole (22) in a sliding manner along the vertical direction; the bottom end of each limiting rod (5) penetrates through the through hole (22) and abuts against the top end of the abutting block (4), and the top end of each limiting rod (5) extends out of the upper part of the circular groove (21) and is connected with a clamping ring (53) together; the clamping ring (53) is matched with the circular groove (21) and sleeved outside the screw rod (3), and the diameter of the screw rod (3) is smaller than the inner diameter of the clamping ring (53); and a limiting mechanism capable of preventing the limiting rod (5) from sliding up and down is arranged between the clamping ring (53) and the circular groove (21).

5. The high-low temperature alternating thermal test chamber according to claim 4, wherein: the bottom end of the clamping ring (53) is provided with an annular groove (51) along the circumferential direction of the clamping ring, the top end of the limiting rod (5) extends into the annular groove, the section of the annular groove (51) is T-shaped, and one end of the limiting rod (5) extending into the annular groove (51) is provided with a spherical block (52); the limiting mechanism comprises a limiting ring groove (23) arranged on the bottom wall of the circular groove (21), a notch (24) arranged at the top end of the mounting block (2) and a clamping block (54) arranged at the bottom end of the clamping ring (53); the limiting ring groove (23) and the circular groove (21) are coaxially arranged, and the diameter of the circular groove (21) is larger than the inner diameter of the limiting ring groove (23) and smaller than the outer diameter of the limiting ring groove (23); breach (24) extend to on the inside wall of circular recess (21) and with spacing annular (23) intercommunication, fixture block (54) extend outward and with breach (24) and spacing annular (23) adaptation along snap ring (53) radial to snap ring (53).

6. The high-low temperature alternating thermal test chamber according to claim 5, wherein: a rubber pad (25) is arranged on the bottom wall of the circular groove (21).

7. The high-low temperature alternating thermal test chamber according to claim 4, wherein: the bottom of gag lever post (5) is provided with stopper (26), the bottom of through-hole (22) is provided with the groove of stepping down (27) with stopper (26) adaptation.

8. The high-low temperature alternating thermal test chamber according to claim 1, wherein: the hand wheel (31) is provided with a polygonal insertion block (32), and the top end of the screw rod (3) is provided with a polygonal insertion groove (33) for inserting the polygonal insertion block (32).