Auxiliary normally-open pressing mechanism for three-purpose gun of comprehensive oral treatment chair

Abstract

The utility model discloses an auxiliary normally-open pressing mechanism for a three-purpose gun of an oral cavity comprehensive treatment chair, which comprises a silica gel base sleeve sleeved on the surface of a gun head of the three-purpose gun, two key grooves are symmetrically arranged on the inner wall of the silica gel base sleeve, and two pressing convex areas corresponding to the key grooves in position are further arranged on the outer surface of the silica gel base sleeve; the two hand-push type limiting structures are arranged on the surface of the silica gel base sleeve; according to the utility model, the auxiliary normally-open pressing mechanism is designed on the three-purpose gun of the existing comprehensive oral treatment chair, so that when the three-purpose gun needs to be started for a long time for spraying, medical staff only needs to push the push rod to move to the position of the pressing key of the three-purpose gun and make stable contact with the pressing key, continuous activation of the pressing key can be realized, and the normally-open effect is achieved; when the three-purpose gun does not need to be normally opened at ordinary times, the use of the original three-purpose gun is not affected, the operation convenience of the original three-purpose gun is kept, and the operation comfort of medical staff is remarkably improved.

Description

Technical Field

[0001] This utility model belongs to the field of oral medical device technology, specifically relating to a normally open pressing mechanism for a three-way gun auxiliary device in a dental chair. Background Technology

[0002] In the field of oral healthcare, the dental chair is the core equipment for dentists to carry out daily treatment work. It integrates multiple functions, among which the three-way gun (also known as a three-in-one spray gun) is an indispensable part. The three-way gun is mainly used to provide water, air and water mist mixed spray to meet different treatment needs such as oral cleaning, drying and cooling. The operation of the traditional three-way gun usually relies on medical staff to manually press the button on the gun body to control the start and stop of the spray.

[0003] However, in certain treatment scenarios of oral care, such as prolonged rinsing, continuous cooling, or deep cleaning, medical staff need to maintain a pressing position with their fingers for extended periods. This not only increases the operational fatigue of the medical staff's finger joints but may also affect the stability and accuracy of their operations. Therefore, this utility model proposes a three-in-one gun auxiliary open pressing mechanism for dental chairs. Utility Model Content

[0004] The purpose of this invention is to provide a normally open pressing mechanism for the three-way gun auxiliary device in a dental chair, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a normally open pressing mechanism for a three-way gun auxiliary device on a dental chair, comprising...

[0006] A silicone base sleeve is fitted onto the surface of the head of a three-way gun, and the bottom end of the silicone base sleeve is fitted onto the surface of the three-way gun body at the bottom of the head of the three-way gun. Two keyways are symmetrically opened on the inner wall of the silicone base sleeve, and two pressing keys on the surface of the head of the three-way gun are respectively located in the two keyways. The outer surface of the silicone base sleeve is also provided with two pressing protrusions corresponding to the keyways.

[0007] The device also includes two push-type limiting structures on the surface of the silicone base. Each push-type limiting structure includes an inner groove inside the silicone base, an inner slide block slidably disposed in the inner groove, a normally open abutment fixed to the bottom surface of the inner slide block, and a through-hole between the inner groove and the keyway. The bottom end of the normally open abutment is located in the through-hole. The push-type limiting structure also includes a connecting slide channel on the top surface of the silicone base and communicating with the inner groove. A connecting slider is fixed to the surface of the inner slide block. The connecting slider is slidably located in the connecting slide channel, and the top end of the connecting slider extends to the outer surface of the silicone base and is fixed with a hand lever.

[0008] Preferably, the bottom end of the always-open resistance rod is provided with an inclined surface matched with the pressing key, and the surface of the hand knob is provided with a rectangular knob.

[0009] Preferably, the inner wall of the bottom end of the inner sliding groove is further provided with an inner rubber base, and the surface of the inner rubber base is provided with an integral limiting protrusion, and the surface of the always-open resistance rod is provided with two limiting slots corresponding to the limiting protrusion, and the end of one limiting protrusion is embedded into the limiting slot.

[0010] Preferably, the inner wall of the inner rubber base is provided with an oval cavity.

[0011] Preferably, the top end surface of the silica gel base sleeve is provided with a circular hole, and the insertion seat of the top end surface of the gun head of the three-purpose gun is exposed from the circular hole, and the surface of the insertion seat is further provided with a detachable spray pipe.

[0012] Preferably, the inner wall of the circular hole is further provided with an annular sealing protrusion in an integral structure with the silica gel base sleeve, and the annular sealing protrusion is in close contact with the surface of the insertion seat.

[0013] Preferably, the silica gel base sleeve and the three-purpose gun body are further provided with a clamping structure.

[0014] Preferably, the clamping structure comprises two triangular clamping blocks arranged on the surface of the three-purpose gun body, and the inner wall of the bottom end of the silica gel base sleeve is provided with an inner wall clamping groove corresponding to the triangular clamping blocks, and the triangular clamping blocks are clamped into the inner wall clamping groove.

[0015] Compared with the prior art, the auxiliary always-open pressing mechanism designed on the three-purpose gun of the existing oral comprehensive treatment chair can realize the continuous activation of the pressing key and achieve the always-open effect when the three-purpose gun needs to be opened for a long time, and the original three-purpose gun can be used normally when the always-open function is not needed, so that the operation convenience of the original three-purpose gun is retained and the operation comfort of the medical staff is significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a sectional view of the utility model;

[0018] Figure 3 It is a sectional view of the utility model Figure 2 It is a local enlarged view of area A in the utility model;

[0019] Figure 4 It is a local enlarged view of area B in the utility model; Figure 2 ​

[0020] In the figure: 1, silica gel sleeve; 11, key groove; 12, inner wall card slot; 2, press protruding area; 3, hand-push limiting structure; 31, inner sliding groove; 311, inner rubber seat; 312, limiting protrusion; 32, inner sliding seat; 33, normally open resistance lever; 331, limiting socket; 332, inclined surface; 34, through hole; 35, connecting sliding block; 36, connecting sliding channel; 37, hand-pushing block; 4, circular hole; 41, annular sealing protrusion; 5, three-purpose gun body; 51, triangular clamping block; 6, plug-in seat; 61, detachable spray pipe; 7, three-purpose gun head; 71, press key. DETAILED DESCRIPTION

[0021] 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.

[0022] Embodiment 1

[0023] Please refer to Figures 1 to 4 For the first embodiment of the utility model, the embodiment provides a technical scheme: a three-purpose gun auxiliary normally open press mechanism of a comprehensive treatment chair in oral cavity, comprising

[0024] The silica gel sleeve 1 is installed on the surface of the three-purpose gun head 7, is made of medical silica gel material, and the bottom end of the silica gel sleeve 1 is sleeved on the surface of the three-purpose gun body 5 at the bottom of the three-purpose gun head 7. The inner wall of the silica gel sleeve 1 is symmetrically provided with two key grooves 11, and the two press keys 71 on the surface of the three-purpose gun head 7 are respectively located in the two key grooves 11. The outer surface of the silica gel sleeve 1 is further provided with two press protruding areas 2 corresponding to the key grooves 11, so that the subsequent operator can realize normal press operation of the press key 71 by pressing the press protruding area 2.

[0025] And two hand-pushed limiting structures 3 arranged on the surface of the silica gel base sleeve 1, the hand-pushed limiting structure 3 comprises an inner sliding groove 31 opened in the silica gel base sleeve 1, an inner sliding seat 32 slidingly arranged in the inner sliding groove 31, a normally open resisting rod 33 fixed on the bottom surface of the inner sliding seat 32, a through hole 34 opened between the inner sliding groove 31 and the key groove 11, and the bottom end of the normally open resisting rod 33 is located in the through hole 34, the hand-pushed limiting structure 3 further comprises a connecting sliding channel 36 opened on the top surface of the silica gel base sleeve 1 and communicated with the inner sliding groove 31, and the surface of the inner sliding seat 32 is fixed with a connecting sliding block 35, the connecting sliding block 35 is slidingly located in the connecting sliding channel 36, and the top end of the connecting sliding block 35 penetrates to the outside surface of the silica gel base sleeve 1 and is fixed with a hand dialing block 37, and the bottom end of the normally open resisting rod 33 is provided with an inclined surface 332 matched with the pressing key 71, in actual application, if the operator needs to normally press a pressing key 71, the hand dialing block 37 is pushed to the direction of the pressing protruding area 2, so that the inner sliding seat 32 slides with the normally open resisting rod 33, so that the inclined surface 332 at the bottom end of the normally open resisting rod 33 can be in contact with the pressing key 71, and the normally open resisting rod 33 is gradually pressed down to the pressing state along with the sliding of the normally open resisting rod 33, that is, the pressing key 71 can be kept pressed by the normally open resisting rod 33, and the normally open state is kept, the fingers of the operator are released, and the operator does not need to press the pressing key 71 with the fingers, so that the operation comfort of the medical staff is significantly improved, and when the normally open state needs to be released, the hand dialing block 37 is only pushed back, so that the normally open resisting rod 33 is removed from the surface of the pressing key 71, so that the pressing key 71 is no longer pressed, and the pressing key 71 can be normally returned to the reset position.

[0026] In the embodiment, preferably, the surface of the hand dialing block 37 is provided with a rectangular dialing opening, which can facilitate the subsequent operation of the operator.

[0027] In the embodiment, preferably, the inner wall of the bottom end of the inner sliding groove 31 is further provided with an inner rubber seat 311, and the surface of the inner rubber seat 311 is provided with an integral limiting protrusion 312, the inner rubber seat 311 and the limiting protrusion 312 are made of silica gel material and can be elastically deformed when being pressed, and the surface of the normally open resisting rod 33 is provided with two limiting clamping holes 331 corresponding to the limiting protrusions 312, one end of one limiting protrusion 312 is embedded in one limiting clamping hole 331 to limit the normally open resisting rod 33, and the design of the two limiting clamping holes 331 enables the end of the limiting protrusion 312 to be pressed into the other limiting clamping hole 331 when the normally open resisting rod 33 is pushed down, so that the normally open resisting rod 33 is limited after being pushed down again, preventing the normally open resisting rod 33 from sliding by itself during daily use.

[0028] In the embodiment, preferably, an oval cavity is opened in the inner rubber seat 311, so that the limiting protrusion 312 has enough deformation space when being pressed.

[0029] In the embodiment, preferably, the top end surface of the silica gel sleeve 1 is provided with a circular hole 4, and the insertion seat 6 of the top end surface of the three-purpose gun head 7 protrudes from the circular hole 4, and the surface of the insertion seat 6 is further provided with a detachable spray pipe 61, and the circular hole 4 and the insertion seat 6 are adaptively designed, so that the silica gel sleeve 1 can be stably sleeved on the surface of the three-purpose gun head 7, and the normal protrusion of the insertion seat 6 is not affected.

[0030] In the embodiment, preferably, the inner wall of the circular hole 4 is further provided with an annular sealing protrusion 41 which is an integral structure with the silica gel sleeve 1, the annular sealing protrusion 41 is made of medical silica gel, and the annular sealing protrusion 41 is in abutting contact with the surface of the insertion seat 6, so as to form an annular sealing structure to prevent foreign matters and water from penetrating into the silica gel sleeve 1.

[0031] Embodiment 2

[0032] Please refer to Figures 1 to 4 As the second embodiment of the utility model, the embodiment is based on the previous embodiment, and the difference is that the silica gel sleeve 1 and the three-purpose gun body 5 are further provided with a clamping structure.

[0033] In the embodiment, preferably, the clamping structure comprises two triangular clamping blocks 51 arranged on the surface of the three-purpose gun body 5, and the bottom end inner wall of the silica gel sleeve 1 is provided with an inner wall clamping groove 12 corresponding to the triangular clamping block 51, and the triangular clamping block 51 is clamped into the inner wall clamping groove 12, so that the bottom end of the silica gel sleeve 1 can be limited by the triangular clamping block 51 after being sleeved on the surface of the three-purpose gun body 5, and the sleeving stability of the silica gel sleeve 1 is ensured.

[0034] Although the embodiments of the utility model have been shown and described (detailed in the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A three-purpose gun auxiliary constant opening press mechanism of an oral comprehensive treatment chair, characterized in that: The utility model provides a three -in -one gun head (7) surface is equipped with silica gel sleeve (1), and the bottom end of silica gel sleeve (1) is equipped with three -in -one gun body (5) surface on the bottom of three -in -one gun head (7), the inner wall of silica gel sleeve (1) is equipped with two keyways (11) symmetrically, and two press keys (71) on three -in -one gun head (7) surface are respectively in two keyways (11), the outer surface of silica gel sleeve (1) is equipped with two press convex area (2) of position and keyway (11) corresponding, And two hand -push type limiting structures (3) are arranged on the surface of silica gel sleeve (1), the hand -push type limiting structure (3) includes the inner slide groove (31) being formed in the silica gel sleeve (1), the inner slide seat (32) being slidably arranged in the inner slide groove (31), the normally open resistance rod (33) being fixed to the bottom surface of the inner slide seat (32), the through hole (34) being formed between the inner slide groove (31) and the keyway (11), the bottom end of the normally open resistance rod (33) being located in the through hole (34), the hand -push type limiting structure (3) further includes the connecting slide (36) being formed in the top surface of the silica gel sleeve (1) and communicating with the inner slide groove (31), the surface of the inner slide seat (32) is fixedly connected with the connecting sliding block (35), the connecting sliding block (35) is slidably arranged in the connecting slide (36), and the top end of the connecting sliding block (35) penetrates the outer surface of the silica gel sleeve (1) and is fixedly connected with the hand -dialing block (37). The bottom end of the normally open resistance rod (33) is provided with an inclined surface (332) matched with the press key (71), and the surface of the hand -dialing block (37) is provided with a rectangular dialing hole.

2. The auxiliary always-on press mechanism of the triple-purpose gun of the dental unit chair according to claim 1, characterized in that: The bottom end of the inner slide groove (31) is further provided with an inner rubber seat (311), and the surface of the inner rubber seat (311) is provided with an integral limiting protrusion (312), the surface of the normally open resistance rod (33) is provided with two limiting card holes (331) corresponding to the limiting protrusion (312), and the end of one limiting protrusion (312) is embedded into the limiting card hole (331).

3. The auxiliary always-on press mechanism of the triple-purpose gun of the dental unit chair according to claim 1, characterized in that: An elliptical cavity is formed in the inner rubber seat (311).

4. The auxiliary always-on press mechanism of the dental unit three-purpose gun according to claim 3, characterized in that: A circular hole (4) is formed in the top surface of the silica gel sleeve (1), and the insertion seat (6) on the top surface of the three -in -one gun head (7) protrudes from the circular hole (4), and the detachable spray pipe (61) is inserted into the surface of the insertion seat (6).

5. The auxiliary always-on press mechanism of the dental unit three-way gun according to claim 1, characterized in that: The inner wall of the circular hole (4) is further provided with an annular sealing protrusion (41) which is an integral structure with the silica gel sleeve (1), and the annular sealing protrusion (41) is in close contact with the surface of the insertion seat (6).

6. The auxiliary always-on press mechanism of the dental unit three-way gun according to claim 5, characterized in that: The silica gel sleeve (1) and the three -in -one gun body (5) are further provided with a clamping structure.

7. The auxiliary always-on press mechanism of the dental unit three-way gun according to claim 1, characterized in that: The clamping structure includes two triangular clamping blocks (51) arranged on the surface of the three -in -one gun body (5), and the bottom end inner wall of the silica gel sleeve (1) is provided with an inner wall clamping groove (12) corresponding to the triangular clamping block (51), and the triangular clamping block (51) is clamped into the inner wall clamping groove (12).

8. The auxiliary always-on press mechanism of the dental unit three-way gun according to claim 7, characterized in that: ​

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