Embedded valve capable of adjusting distance between knob and valve core cavity

Abstract

An embedded valve capable of adjusting the distance between a knob and a valve element cavity comprises a valve body, a valve element, a gland, a connecting rod and the knob, an external thread part is arranged on the valve element cavity, the knob is further provided with a sliding rail cavity, a through hole and a fastening screw hole, the embedded valve further comprises an annular sliding rail and a supporting sleeve, and the supporting sleeve comprises sleeve internal threads, an annular seat and an annular rail. The spline head of the valve rod is inserted into the spline cavity of the connecting rod; the screw penetrates through the connecting hole and is screwed with the valve rod; the sleeve internal thread of the supporting sleeve is screwed with the external thread part; one end of the circular slide rail is inserted into the slide rail cavity and corresponds to the through hole, the radial hole and the fastening screw hole, the spline body part is inserted into the spline cavity of the seat, the fastening screw is screwed with the fastening screw hole, and the end part of the fastening screw is matched and positioned with the spline body part; the annular sliding rail is in sliding fit with the annular rail groove; and the knob and the circular slide rail rotate together. The supporting sleeve plays a supporting role, the rotary knob and the annular sliding rail rotate together relative to the supporting sleeve, the supporting sleeve bears the weight of the rotary knob, and bending deformation of the valve rod is effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of embedded boxes, in particular to an embedded valve arranged in the embedded box. Background Art

[0002] Currently, Chinese Patent No. 202322940159.9 discloses a connection assembly for adjusting the height of a thermostatic valve core on an embedded box. The connection assembly includes a connecting rod fixedly connected to the valve stem of the thermostatic valve core and a knob adapted to the connecting rod. The connecting rod is a hollow cylindrical structure with a first internal spline at one end and an external spline at the other end. The end of the connecting rod with the first internal spline is spline-connected to the valve stem of the thermostatic valve core; the end of the connecting rod with the external spline is spline-connected to the knob. This assembly allows for flexible adjustment of the installation height of the valve stem of the thermostatic valve core. However, a problem is that the connecting rod bears weight and is easily deformed. Utility Model Content

[0003] The utility model aims to provide a pre-buried valve for adjusting the distance between a knob and a valve core cavity, which has the characteristics of protecting a connecting rod and a valve stem.

[0004] The utility model is realized as follows: a pre-buried valve for adjusting the distance between a knob and a valve core cavity, comprising a valve body, a valve core, a gland, a connecting rod and a knob, wherein the valve body comprises a valve core cavity; a spline head is provided at the end of a valve stem of the valve core, the connecting rod comprises a head cavity, a spline cavity, a connecting hole and a spline body portion, one end of the knob is open and provided with a socket, and a seat spline cavity is provided on the socket; the special feature of the utility model is that an external thread portion is provided on the valve core cavity,

[0005] The knob is also provided with a slide rail cavity, a through hole and a fastening screw hole provided on the socket.

[0006] It also includes an annular slide rail and a support sleeve.

[0007] There are radial holes on the circular slide rail.

[0008] The support sleeve includes an inner thread on the inner wall, an annular seat at the front end and an annular track at the front end of the annular seat.

[0009] The spline head of the valve stem is inserted into the spline cavity of the connecting rod, and the screw passes through the connecting hole and is screwed into the valve stem; the internal thread of the support sleeve is screwed into the external thread; one end of the annular slide rail is inserted into the slide rail cavity and the through hole, radial hole and fastening screw hole correspond to each other, the spline body is inserted into the spline cavity of the seat, the fastening screw is screwed into the fastening screw hole and the end is positioned with the spline body; the annular slide rail slides in conjunction with the annular track groove.

[0010] The embedded valve for adjusting the distance between the knob and the valve core cavity is special in that the outer diameter of the annular seat is larger than the outer diameter of the support sleeve.

[0011] The embedded valve for adjusting the distance between the knob and the valve core cavity is special in that: the fastening screw is removed, the annular seat is rotated, and the support sleeve, the annular track and the knob move together along the axis of the connecting rod.

[0012] The embedded valve for adjusting the distance between the knob and the valve core cavity is special in that the suspended end of the annular seat fits in contact with the wall tiles at the embedded cavity.

[0013] The embedded valve for adjusting the distance between the knob and the valve core cavity is special in that it also includes an anti-loosening fastening sleeve.

[0014] The anti-loosening fastening sleeve comprises a frustum portion, a cylindrical portion and an external threaded ring portion;

[0015] The frustum portion is inserted into the valve core cavity, and the external thread ring portion is screwed into the internal thread of the inner sleeve of the support sleeve.

[0016] The embedded valve for adjusting the distance between the knob and the valve core cavity is special in that it also includes a decorative part, which includes a spherical curved surface head and a tube body.

[0017] The tube body is detachably matched with the through hole and the radial hole.

[0018] The utility model provides an embedded valve for adjusting the distance between a knob and a valve core cavity. The support sleeve plays a supporting role. The knob and the annular sliding rail rotate relative to the support sleeve. The support sleeve bears the weight of the knob and effectively prevents the valve stem from bending and deformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a cross-sectional view of the present utility model.

[0020] Figure 2 yes Figure 1 A-A view.

[0021] Figure 3 It is a three-dimensional diagram of the present utility model.

[0022] Figure 4 This is one of the three-dimensional exploded views of the present invention.

[0023] Figure 5 This is the second three-dimensional exploded view of the present invention.

[0024] Figure 6 This is the third exploded perspective view of the present invention. DETAILED DESCRIPTION

[0025] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0026] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0027] like Figure 1 As shown, a pre-buried valve for adjusting the distance between a knob 5 and a valve core cavity 11 includes a valve body 1, a valve core 2, a gland 3, a connecting rod 4, and a knob 5. The valve body 1 includes a valve core cavity 11; the end of the valve stem of the valve core 2 is provided with a spline head 21 and an internal threaded hole 22; the connecting rod 4 includes a head cavity 41, a spline cavity 42, a connecting hole 43, and a spline body portion 44; one end of the knob 5 is open and provided with a socket 51, and the socket 51 is provided with a seat spline cavity 511;

[0028] The valve core cavity 11 is provided with an external thread portion 12.

[0029] The knob 5 is further provided with a slide rail cavity 52, a through hole 53 and a fastening screw hole 512 provided on the socket 51.

[0030] It also includes an annular slide rail 6 and a support sleeve 7.

[0031] The circular slide rail 6 is provided with radial holes 61.

[0032] The support sleeve 7 includes an inner thread on the inner wall (not shown in the figure), an annular seat 71 at the front end and an annular track 72 at the front end of the annular seat 71.

[0033] The spline head 21 of the valve stem 2 is inserted into the spline cavity 42 of the connecting rod 4, and the screw passes through the connecting hole 43 and is screwed into the internal threaded hole 22 of the valve stem 2; the internal thread of the support sleeve 7 is screwed into the external threaded portion 12; one end of the annular slide rail 6 is inserted into the slide rail cavity 52, and the through hole 53, the radial hole 61 and the fastening screw hole 512 correspond to each other, the spline body 44 is inserted into the seat spline cavity 511, the fastening screw is screwed into the fastening screw hole 512, and the end is positioned with the spline body 44; the annular slide rail 6 is slidably matched with the groove of the annular track 72; loosen the fastening screw, and the socket 51 and the spline body 44 can slide;

[0034] With this structure, the knob 5 and the annular slide rail 6 rotate together; in order to adapt to the embedded cavity of different depths, loosen the fastening screw, and then rotate the support sleeve 7, the support sleeve 7, the annular slide rail 6 and the knob 5 move together to achieve adjustment.

[0035] As a further improvement of the present invention, the outer diameter of the annular seat 71 is larger than the outer diameter of the support sleeve 7 .

[0036] As a further improvement of the present invention, the fastening screw is removed, and the annular seat 71 is rotated, so that the support sleeve 7, the annular track 72 and the knob 5 move along the axis of the connecting rod 4 together.

[0037] As a further improvement of the present invention, the suspended end of the annular seat 71 is fitted with the wall tiles at the embedded cavity.

[0038] As a further improvement of the present invention: it also includes an anti-loosening fastening sleeve 8,

[0039] The anti-loosening fastening sleeve 8 includes a frustum portion 81, a cylindrical portion 82 and an external threaded ring portion 83;

[0040] The front end of the valve core cavity 11 is provided at the frustum-shaped portion;

[0041] The truncated cone portion 81 is inserted into the truncated cone portion of the valve core cavity 11, and the external threaded ring portion 83 is screwed with the internal thread of the inner sleeve of the support sleeve 7. With such a design, when the knob and the annular slide rail 6 are rotated, the support sleeve 7 is prevented from loosening.

[0042] As a further improvement of the present invention: it also includes a decorative piece, the decorative piece includes a spherical curved surface head and a tube body,

[0043] The tube body is detachably engaged with the through hole 53 and the radial hole 61 .

[0044] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A pre-buried valve for adjusting the distance between a knob and a valve core cavity, comprising a valve body, a valve core, a gland, a connecting rod, and a knob. The valve body comprises a valve core cavity; the end of the valve stem of the valve core is provided with a spline head; the connecting rod comprises a head cavity, a spline cavity, a connecting hole, and a spline body; one end of the knob is open and provided with a socket, and the socket is provided with a seat spline cavity; the characteristics are: The valve core cavity is provided with an external thread portion. The knob is also provided with a slide rail cavity, a through hole and a fastening screw hole provided on the socket. It also includes an annular slide rail and a support sleeve. There are radial holes on the circular slide rail. The support sleeve includes an inner thread on the inner wall, an annular seat at the front end and an annular track at the front end of the annular seat. The spline head of the valve stem is inserted into the spline cavity of the connecting rod, and the screw passes through the connecting hole and is screwed into the valve stem; the internal thread of the support sleeve is screwed into the external thread; one end of the annular slide rail is inserted into the slide rail cavity and the through hole, radial hole and fastening screw hole correspond to each other, the spline body is inserted into the spline cavity of the seat, the fastening screw is screwed into the fastening screw hole and the end is positioned with the spline body; the annular slide rail is slidably matched with the annular track groove; the knob and the annular slide rail rotate together.

2. The embedded valve for adjusting the distance between the knob and the valve core cavity according to claim 1, characterized in that: The outer diameter of the annular seat is greater than the outer diameter of the support sleeve.

3. The embedded valve for adjusting the distance between the knob and the valve core cavity according to claim 1, characterized in that: The fastening screw is removed, and the annular seat is rotated, so that the support sleeve, the annular track and the knob move together along the axis of the connecting rod.

4. The embedded valve for adjusting the distance between the knob and the valve core cavity according to claim 1, characterized in that: The suspended end of the annular seat is fitted with the wall tiles at the embedded cavity.

5. The embedded valve for adjusting the distance between the knob and the valve core cavity according to claim 1, 2, 3 or 4, characterized in that: Also includes anti-loosening fastening sleeve, The anti-loosening fastening sleeve comprises a frustum portion, a cylindrical portion and an external threaded ring portion; The frustum portion is inserted into the valve core cavity, and the external thread ring portion is screwed into the internal thread of the inner sleeve of the support sleeve.

6. The embedded valve for adjusting the distance between the knob and the valve core cavity according to claim 1, 2, 3 or 4, characterized in that: It also includes a decorative piece, which includes a spherical curved head and a tube body. The tube body is detachably matched with the through hole and the radial hole.

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