CN214304764U

CN214304764U - Fixing screw for medical cart caster

Info

Publication number: CN214304764U
Application number: CN202120269493.4U
Authority: CN
Inventors: 曹祥能
Original assignee: 温州华屹紧固件有限公司
Current assignee: Wenzhou senyi Fastener Co.,Ltd.
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-09-28
Anticipated expiration: 2031-01-29

Abstract

A fixing screw for a caster of a medical cart comprises a screw rod part and a screw head part fixedly arranged at the end part of the screw rod part; the middle part of the surface of screw section is provided with the external screw thread, and the inside of screw section is provided with the cavity groove, threaded connection has the locking screw on the screw section, the hollow inslot is located and be connected with the tip in the screw section's of screwing in end, the one side of keeping away from the screw section in the screw section is provided with a plurality of stopping mechanisms, stopping mechanism includes the stopper, activity post and button head, stopper and button head set up the both ends at the activity post respectively, and the button head is located the inside of cavity groove, radially set up the T shape hole that supplies stopper and activity post embedding along it in the screw section, be provided with the spacing ring on the activity post, and the inner wall removal counterbalance of spacing ring and screw section. The utility model relates to an ingenious, it is effectual to the fixed of truckle, can avoid nut and screw section to produce the phenomenon of separation.

Description

Fixing screw for medical cart caster

Technical Field

The utility model relates to a fastener technical field especially relates to a set screw that medical shallow truckle was used.

Background

The screw is a fixed combination component, which can be matched with the screw hole to simply combine a plurality of components into one component, and can also be simply disassembled into a plurality of components. The screw of the prior art comprises a screw rod, a screw head part is formed at one end of the screw rod, and a thread part which can be screwed with the screw hole is formed on the outer side surface of the screw rod.

However, the prior art screws often have many undesirable conditions in use, such as: the screws fixed on the medical caster are easily loosened due to the influence of vibration for a long time, and the safety is not high, so that some screws are fixed in a welding mode, the fixing effect is good, but the screws cannot be detached, and the practicability is not high.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a fixed screw that medical shallow truckle was used, the utility model relates to an it is ingenious, fixed effectual to the truckle, can avoid nut and screw section to produce the phenomenon of separation.

(II) technical scheme

The utility model provides a fixing screw for a caster of a medical cart, which comprises a screw rod part and a screw head part fixedly arranged at the end part of the screw rod part; the middle part of the surface of screw section is provided with the external screw thread, and the inside of screw section is provided with the cavity groove, threaded connection has the locking screw on the screw section, the hollow inslot is located and be connected with the tip in the screw section's of screwing in end, the one side of keeping away from the screw section in the screw section is provided with a plurality of stopping mechanisms, stopping mechanism includes the stopper, activity post and button head, stopper and button head set up the both ends at the activity post respectively, and the button head is located the inside of cavity groove, radially set up the T shape hole that supplies stopper and activity post embedding along it in the screw section, be provided with the spacing ring on the activity post, and the inner wall removal counterbalance of spacing ring and screw section.

Preferably, a rubber pad is arranged outside the locking screw, and anti-skid grains are arranged on the surface of the rubber pad.

Preferably, the round head is made of a rubber material and the surface thereof is provided with a plurality of non-slip bumps.

Preferably, the inner wall of the screw part is provided with an insertion hole for inserting the sharp head, the screw part positioned at the inner side of the insertion hole is embedded with a magnetic block, and the sharp head is made of any one of iron, cobalt and nickel.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has: the utility model relates to an ingenious, it is effectual to the fixed of truckle, can avoid nut and screw section to produce the phenomenon of separation to the magnetism piece and the rubber pad of setting can strengthen the fixed to the locking screw.

Drawings

Fig. 1 is a schematic structural view of a fixing screw for a caster of a medical cart according to the present invention.

Fig. 2 is an enlarged schematic structural view at a in fig. 1.

Reference numerals: 1. a screw section; 2. a head portion; 3. an external thread; 4. a locking screw; 5. a magnetic block; 6. a rubber pad; 7. a limiting block; 8. a movable post; 9. a round head; 10. a limiting ring; 11. a tip; 12. a jack; 13. a hollow groove; 14. t-shaped holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-2, the fixing screw for a caster of a medical cart provided by the present invention comprises a screw shaft portion 1 and a screw head portion 2 fixedly disposed at an end portion of the screw shaft portion 1; the middle part of the surface of screw portion 1 is provided with external screw thread 3, and the inside of screw portion 1 is provided with hollow groove 13, threaded connection has locking screw 4 on screw portion 2, the screw-in end of locking screw 4 is located in hollow groove 13 and is connected with tip 11, one side of keeping away from screw portion 2 on screw portion 1 is provided with a plurality of stopping mechanisms, stopping mechanism includes stopper 7, activity post 8 and button head 9, stopper 7 and button head 9 set up the both ends at activity post 8 respectively, and button head 9 is located the inside of hollow groove 13, the T shape hole 14 that supplies stopper 7 and the embedding of activity post 8 is radially seted up along it on screw portion 1, be provided with spacing ring 10 on the activity post 8, and spacing ring 10 moves with the inner wall of screw portion 1 and offsets.

In an alternative embodiment, the locking screw 4 is externally provided with a rubber pad 6, and the surface of the rubber pad 6 is provided with anti-slip threads.

The rubber pad 6 is provided to prevent the lock screw 4 from loosening.

In an alternative embodiment, the rounded head 9 is made of a rubber material and its surface is provided with a plurality of non-slip bumps.

It should be noted that the provision of the plurality of anti-slip projections can increase the frictional force between the round head 9 and the lock screw 4.

In an alternative embodiment, the inner wall of the screw part 1 is provided with a socket 12 for inserting the tip 11, the screw part 1 inside the socket 12 is embedded with the magnetic block 5, and the tip 11 is made of any one of iron, cobalt and nickel.

The locking screw 4 is turned to fit the pointed end 11 at the end into the insertion hole 12, and the magnetic block 5 provided can attract the pointed end 11, thereby preventing the locking screw 4 from loosening.

The utility model discloses in the use, at first arrange screw section 1 in the inside hole of the truckle of needs installation, then fix screw section 1's the other end with the nut, again with the inside screw in of locking screw 4, make the tip 11 of 4 tip of locking screw promote button head 9 and remove, the removal of button head 9 has driven the removal of activity post 8 and stopper 7 again, make the outer tip of stopper 7 remove the outside of screw section 1, the design of this structure, the phenomenon of nut and the 1 production separation of screw section has been avoided, can carry on spacingly to the nut on screw section 1, it is not hard up to prevent that it from producing, and the magnetism piece 5 and the rubber pad 6 of setting can strengthen the fixed to locking screw 4.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A fixing screw for a caster of a medical cart is characterized by comprising a screw rod part (1) and a screw head part (2) fixedly arranged at the end part of the screw rod part (1); the middle part of the outer surface of the screw part (1) is provided with an external thread (3), the inside of the screw part (1) is provided with a hollow groove (13), the screw head part (2) is in threaded connection with a locking screw (4), the screwing end of the locking screw (4) is arranged in the hollow groove (13) and is connected with a tip (11), one side of the screw part (1) far away from the screw head part (2) is provided with a plurality of backstop mechanisms, each backstop mechanism comprises a limiting block (7), a movable column (8) and a round head (9), the limiting blocks (7) and the round heads (9) are respectively arranged at two ends of the movable column (8), and the round head (9) is positioned in the hollow groove (13), a T-shaped hole (14) for embedding the limiting block (7) and the movable column (8) is radially formed in the screw rod part (1) along the radial direction of the screw rod part, a limiting ring (10) is arranged on the movable column (8), and the limiting ring (10) is movably abutted to the inner wall of the screw rod part (1).

2. The fixing screw for the caster of the medical trolley as claimed in claim 1, wherein the locking screw (4) is provided with a rubber pad (6) on the outside, and the surface of the rubber pad (6) is provided with anti-slip lines.

3. The set screw for medical trolley caster according to claim 1, characterized in that the round head (9) is made of rubber material and its surface is provided with a plurality of anti-slip bumps.

4. The fixing screw for the caster of the medical cart according to claim 1, wherein the inner wall of the screw part (1) is provided with a jack (12) for the insertion of the tip (11), the screw part (1) located inside the jack (12) is embedded with the magnetic block (5), and the tip (11) is made of any one of iron, cobalt and nickel.