Anti-pinch telescopic supporting rod

Abstract

The utility model belongs to the technical field of telescopic supporting rods, and particularly relates to an anti-pinch telescopic supporting rod which comprises an inner pipe and an outer pipe, the outer pipe is arranged on the outer wall of the inner pipe, a handle seat is arranged above the outer pipe, the side edge of the handle seat is connected with a handle through a rivet, a center rod is arranged on the inner wall of a center hole of the handle seat, and the center rod is connected with the handle through a rivet. The outer wall of the center rod is sleeved with a lower compression spring and a fastening wrench, the center rod, the lower compression spring and the fastening wrench are installed in the handle base, a rivet at the end of the handle is arranged below the skid, the upper end of the inner pipe is fixedly installed in a hole in the lower portion of the handle base through the rivet, and a small hole is formed in the lower end of the inner pipe. And a double-end bayonet lock is arranged on the inner wall of the small hole. According to the anti-pinch telescopic supporting rod, force exerting is more convenient through the arc-shaped lines of the handle, wrenching is convenient due to the fact that the shape of the wrench is set, the protection piece on the upper portion of the handle base can protect the safety of an operator, fingers and other parts are prevented from being pinched and injured, and therefore the convenience of the telescopic supporting rod can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to telescopic support rod technical field, specifically is a telescopic support rod of preventing clamping. BACKGROUND

[0002] In the house building or decoration work, often need to use wood, decorative plate and other decorations to decorate the ceiling or wall. At present, when fixing the decorations on the ceiling or wall, an assistant is needed to assist, or a temporary support needs to be built, which makes the house building or decoration work time-consuming and laborious, and also brings inconvenience to the operator, so that the telescopic support rod needs to be used.

[0003] The existing telescopic support rod is usually smooth in surface when used, which makes it inconvenient to exert force, and the shape of the tightening wrench is also inconvenient to turn, and the user's fingers and other parts are easily injured during use, thereby reducing the convenience of the telescopic support rod.

[0004] Therefore, we urgently need to provide a telescopic support rod that prevents clamping. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a telescopic support rod that prevents clamping to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a telescopic support rod that prevents clamping, comprising an inner tube and an outer tube, the outer wall of the inner tube is provided with an outer tube, the upper part of the outer tube is provided with a handle seat, the side edge of the handle seat is connected with a handle through a rivet, and the inner wall of the center hole of the handle seat is provided with a center rod.

[0007] Further improvement lies in that the outer wall of the center rod is sleeved with a pressing spring and a tightening wrench, and the center rod, the pressing spring and the tightening wrench are installed inside the handle seat.

[0008] Further improvement lies in that the rivet at the end of the handle is arranged below a pry block, and the upper end of the inner tube is tightly installed in a hole below the handle seat through a rivet.

[0009] Further improvement lies in that a small hole is formed in the lower end of the inner tube, a double-headed pin is arranged on the inner wall of the small hole, a plurality of limiting holes are formed in the outer wall of the outer tube, a coupling sleeve is arranged on the upper end of the outer tube, a screw rod, a knob, a return spring and a locking nut are arranged on the coupling sleeve, and a lower hinge seat is arranged on the lower end of the outer tube.

[0010] Further improvement lies in that a lower support plate is arranged below the lower hinge seat, an upper support plate is arranged on the upper end of the center rod, the inner tube is sleeved inside the outer tube, the double-headed pin at the lower end of the inner tube is popped out from the hole on the side of the outer tube, and a protective sheet bottom and a protective sheet cover are arranged on the two sides of the handle seat.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The stretchable supporting rod of the anti-pinch structure, through the setting of the inner tube, the outer tube, the center rod, the handle seat, the handle, the lower support plate, the upper support plate, the upper compression spring, the lower compression spring, the pry block, the fastening wrench, the connecting sleeve, the knob, the reset spring, the double-end pin, the lower hinge seat, the guard piece bottom and the guard piece cover, the arc-shaped lines of the handle are more convenient to force, the fastening wrench is convenient to turn, the guard piece at the upper portion of the handle seat can protect the safety of the operator, prevents the fingers and other parts from being pinched and injured, and thus the convenience of the stretchable supporting rod can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0014] Figure 2 It is a handle seat structure schematic view of the utility model;

[0015] Figure 3 It is a handle structure schematic view of the utility model;

[0016] Figure 4 It is a fastening wrench structure schematic view of the utility model;

[0017] Figure 5 It is a double-end pin structure schematic view of the utility model;

[0018] Figure 6 It is a lower support plate structure schematic view of the utility model.

[0019] In the drawing: 1, inner tube; 2, outer tube; 3, center rod; 4, handle seat; 5, handle; 6, lower support plate; 7, upper support plate; 8, upper compression spring; 9, lower compression spring; 10, pry block; 11, fastening wrench; 12, connecting sleeve; 13, knob; 14, reset spring; 15, double-end pin; 16, lower hinge seat; 17, guard piece bottom; 18, guard piece cover. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] In order to make the arc-shaped lines of the handle more convenient to force, the fastening wrench is convenient to turn, and the fingers and other parts are prevented from being pinched and injured, please refer to Figures 1-6 The utility model provides a technical scheme that:

[0022] The anti-pinch telescopic supporting rod comprises an inner tube 1 and an outer tube 2, the outer wall of the inner tube 1 is provided with the outer tube 2, the upper portion of the outer tube 2 is provided with a handle seat 4, the side edge of the handle seat 4 is connected with a handle 5 through a rivet, and the inner wall of the center hole of the handle seat 4 is provided with a center rod 3;

[0023] The outer wall of the center rod 3 is sleeved with a pressing spring 9 and a tightening wrench 11, and the center rod 3, the pressing spring 9 and the tightening wrench 11 are arranged in the inner portion of the handle seat 4;

[0024] The rivet at the end of the handle 5 is arranged below a prying block 10, and the upper end of the inner tube 1 is fastened and arranged in the hole below the handle seat 4 through the rivet;

[0025] A small hole is arranged at the lower end of the inner tube 1, the inner wall of the small hole is provided with a double-end pin 15, a plurality of limiting holes are arranged on the outer wall of the outer tube 2, the upper end of the outer tube 2 is provided with a connecting sleeve 12, the connecting sleeve 12 is provided with a screw rod, a knob 13, a reset spring 14 and a locking nut, and the lower end of the outer tube 2 is provided with a lower hinge seat 16;

[0026] The lower hinge seat 16 is provided with a lower supporting plate 6 below, the upper end of the center rod 3 is provided with an upper supporting plate 7, the inner tube 1 is sleeved in the inner portion of the outer tube 2, the double-end pin 15 at the lower end of the inner tube 1 is popped out from the hole at the side of the outer tube 2, and the two sides of the handle seat 4 are provided with a bottom piece 17 and a cover piece 18.

[0027] When in use, the double-end pin 15 is pressed down, the inner tube 1 can move up and down along the axial direction in the outer tube 2, is moved to a suitable height position, the double-end pin 15 can be popped out from the small hole of the outer tube 2, the height position is fixed again, the connecting sleeve 12 plays a role in fastening the inner tube 1, when the height of the inner tube 1 is determined, the knob 13 is screwed, the inner wall of the connecting sleeve 12 tightly holds the inner tube 1, and fastening is realized, when the knob 13 is unscrewed, the reset spring 14 is reset to play a role in supporting the connecting sleeve 12, the locking nut plays a role in preventing the knob 13 from falling off, the handle seat 4 is held by hand, the handle 5 is tightly held by fingers, the rivet at the end of the handle 5 lifts the prying block 10, the upper pressing spring 8 is compressed, the prying block 10 is in an inclined state, the prying block hole generates a friction force with the center rod 3, drives the center rod 3 to move upwards, when the fingers are relaxed, the prying block 10 returns to the initial position under the reset action of the upper pressing spring 8, the center rod 3 is repeatedly held and relaxed, and moves upwards, so that the object is supported, when the lower supporting plate 6 and the upper supporting plate 7 contact the object and are pressed, the tightening wrench 11 is in an inclined state under the action of the pressing spring 9, the inner hole of the tightening wrench 11 generates a friction force with the center rod 3, prevents the center rod 3 from moving downwards due to the downward pressure of the object on the upper supporting plate 7, the tightening wrench 11 is pulled upwards, the pressing spring 9 is compressed, the friction force between the tightening wrench 11 and the center rod 3 is eliminated, the center rod 3 can freely move up and down, and the supporting rod is released from the supporting object.

[0028] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.

Claims

1. An anti-pinch telescopic prop comprising an inner tube (1) and an outer tube (2), characterized in that: The outer wall of the inner tube (1) is provided with an outer tube (2), the upper portion of the outer tube (2) is provided with a handle seat (4), the side edge of the handle seat (4) is connected with a handle (5) through a rivet, and the inner wall of the center hole of the handle seat (4) is provided with a center rod (3).

2. An anti-pinch telescoping stem as defined in claim 1, wherein: The outer wall of the center rod (3) is sleeved with a pressing spring (9) and a tightening wrench (11), and the center rod (3), the pressing spring (9) and the tightening wrench (11) are arranged in the interior of the handle seat (4).

3. An anti-pinch telescoping stem as defined in claim 2, wherein: The rivet at the end of the handle (5) is arranged below a prying block (10), and the upper end of the inner tube (1) is fastened and arranged in the hole below the handle seat (4) through a rivet.

4. An anti-pinch telescoping stem as defined in claim 3, wherein: A small hole is formed in the lower end of the inner tube (1), the inner wall of the small hole is provided with a double-end pin (15), the outer wall of the outer tube (2) is provided with a plurality of limiting holes, the upper end of the outer tube (2) is provided with a connecting sleeve (12), the connecting sleeve (12) is provided with a screw rod, a knob (13), a reset spring (14) and a locking nut, and the lower end of the outer tube (2) is provided with a lower hinge seat (16).

5. An anti-pinch telescoping stem as defined in claim 4, wherein: The lower hinge seat (16) is provided with a lower supporting plate (6), the upper end of the center rod (3) is provided with an upper supporting plate (7), the inner tube (1) is sleeved in the outer tube (2), the double-end pin (15) at the lower end of the inner tube (1) is popped out from the hole at the side of the outer tube (2), and the two sides of the handle seat (4) are provided with a back sheet bottom (17) and a back sheet cover (18).

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