CN211008102U

CN211008102U - Spring hinge

Info

Publication number: CN211008102U
Application number: CN201921733373.4U
Authority: CN
Inventors: 刘万里
Original assignee: Guangdong Bingdian Fire Technology Co ltd
Current assignee: Guangdong Bingdian Fire Technology Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-07-14
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a spring hinge, including first hinge spare and second hinge spare, first hinge spare includes first hinge spare main part and locates the first axle sleeve of first hinge spare main part, second hinge spare includes second hinge spare main part and locates the second axle sleeve of second hinge spare main part, but first axle sleeve and second axle sleeve pass through elastic hinge shaft pivotal connection, elastic hinge shaft includes the elastic component of upper end cover, lower end cover and both ends difference fixed connection between upper end cover and lower end cover, and the upper end cover is equipped with the card hole that a plurality of circumference distribute. The peripheral wall of the upper end cover is provided with a plurality of clamping holes, the first shaft sleeve is provided with at least one screw through hole corresponding to the clamping hole, and before the door (window) closing device is used, the upper end cover is screwed according to the required elastic force requirement to adjust the elastic force of the elastic piece, so that the adjustment of the elastic force of the door (window) closing device can be realized, and the door (window) closing device is suitable for the elastic force of different people (such as old people and children) and the elastic force of fire windows with different weight specifications.

Description

Spring hinge

Technical Field

The utility model relates to a hinge technical field, in particular to spring hinge.

Background

The hinge is called hinge formally. Are often formed in a two-fold manner, are parts that connect and move two parts of an object, and are often used for windows, doors, and the like. The existing hinges are generally divided into common hinges and spring hinges, and the common hinges are easy to open and close doors and windows in daily use without labor, but are easily interfered by external force (such as wind power) to swing abnormally and cannot be normally and automatically closed; although the spring hinge can automatically drive the door and the window to be closed when not acted by the outside, the door and the window can be opened only by applying relatively large pushing force when in use, and the elasticity cannot be adjusted according to the use requirements of users, so that the spring hinge is inconvenient for children or old people to open; in addition, when the door and window are automatically closed under the driving of the spring hinge, the door (or the window) can impact the door frame (or the window frame) under the action of larger elastic force and inertia force and generate larger noise, and meanwhile, the spring hinge is easily damaged, and the service life of the spring hinge is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing a spring hinge, aim at making spring hinge can adjust elasticity size as required.

In order to achieve the above object, the present invention provides a spring hinge, comprising a first hinge member and a second hinge member, wherein the first hinge member comprises a first hinge member main body and a first shaft sleeve disposed on the first hinge member main body, the second hinge member comprises a second hinge member main body and a second shaft sleeve disposed on the second hinge member main body, the first shaft sleeve and the second shaft sleeve are pivotally connected through an elastic hinge shaft, the elastic hinge shaft comprises an upper end cover, a lower end cover and an elastic member having two ends respectively fixedly connected between the upper end cover and the lower end cover, the elastic member is sleeved in the first shaft sleeve and the second shaft sleeve, the lower end cover is fixedly mounted at the lower end of the second shaft sleeve, the upper end cover is inserted in the upper end of the first shaft sleeve, the upper end cover is provided with a plurality of circumferentially distributed fastening holes, the first shaft sleeve is provided with at least one through hole corresponding to the fastening hole, a rod portion with a screw passes through the screw and then is screwed in the fastening hole opposite to the through hole, the upper end cover is fixed at the upper end of the first shaft sleeve, and the elastic element can apply elastic force to the upper end cover and the lower end cover to drive the first hinge element and the second hinge element to swing towards the closing direction of the door and window.

The utility model discloses technical scheme has seted up a plurality of card holes at the perisporium of upper end cover to set up at least one and the corresponding screw via hole in card hole at first axle sleeve, before the use, according to required elasticity demand, revolve the elasticity of twisting the upper end cover in order to adjust the elastic component, after the adjustment, pass the screw via hole with the pole portion of screw and connect soon in corresponding a card hole, can realize the regulation of elasticity, thereby adapt to the elasticity size of the closing door (window) of the fire window of different people (for example old man and child) and different weight specifications.

Drawings

Fig. 1 is an explosion diagram of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is an assembly view of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indicators (such as … …, upper, lower, left, right, front, back, top, bottom, inner, outer, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial) are involved in the embodiments of the present invention, the directional indicators are only used to explain the relative position, motion, etc. of the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.

In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a spring hinge.

In the embodiment of the present invention, as shown in fig. 1 to 3, the spring hinge comprises a first hinge member 1 and a second hinge member 2, the first hinge member 1 comprises a first hinge member main body 11 and a first shaft sleeve 12 disposed on the first hinge member main body 11, the second hinge member 2 comprises a second hinge member main body 21 and a second shaft sleeve 22 disposed on the second hinge member main body 21, the first shaft sleeve 12 and the second shaft sleeve 22 are pivotally connected through a spring hinge shaft 3, the spring hinge shaft 3 comprises an upper end cover 31, a lower end cover 32 and a spring member 4 having two ends respectively fixedly connected between the upper end cover 31 and the lower end cover 32, the spring member 4 is sleeved in the first shaft sleeve 12 and the second shaft sleeve 22, the lower end cover 32 is fixedly mounted at the lower end of the second shaft sleeve 22, the upper end cover 31 is inserted in the upper end of the first shaft sleeve 12, the upper end cover 31 is provided with a plurality of circumferentially distributed clamping holes 50, the first shaft sleeve 12 is provided with at least one (as shown in the figure, one) screw through hole 51 corresponding to the clamping hole 50, the rod part of the screw 5 passes through the screw through hole 51 and then is screwed in the clamping hole 50 corresponding to the screw through hole 51, so that the upper end cover 31 is fixed at the upper end of the first shaft sleeve 12, and the elastic element 4 can apply elastic force to the upper end cover 31 and the lower end cover 32 to drive the first hinge element 1 and the second hinge element 2 to swing towards the closing direction of the door and window. The utility model discloses owing to a plurality of card holes 50 have been seted up at the perisporium of upper end cover 31 to set up at least one and the corresponding screw via hole 51 in card hole 50 at primary shaft cover 12, before the use, according to required elasticity demand, revolve the elasticity of twisting upper end cover 31 in order to adjust the elastic component, after the adjustment, pass screw via hole 51 with the pole portion of screw 5 and connect soon in corresponding a card hole 50, can realize the regulation of elasticity, thereby adapt to the use dynamics demand of different people (for example old man and child).

Specifically, the contact portion of the first sleeve 12 and the second sleeve 22 is provided with a damping pad 7. In order to increase the swing resistance when first hinge spare 1 and second hinge spare 2 drive door and window self-closing through damping pad 7, avoid appearing more serious collision when door and window self-closing because of the noise reduction and improve the life of spring hinge.

More specifically, a through groove 13 is formed in the axial middle position of the first shaft sleeve 12, so that the first shaft sleeve 12 forms two sections which are spaced up and down, the second shaft sleeve 22 is located in the through groove 13 and is opposite to the first shaft sleeve 12, the lower end of the upper end cover 31 extends into the upper section of the first shaft sleeve 12, and the upper end of the lower end cover 32 extends into the lower section of the first shaft sleeve 12.

Further, two ends of the elastic member 4 are respectively provided with a first clamping strip 41 and a second clamping strip 42, the upper end cover 31 and the lower end cover 32 are respectively provided with an upper positioning block 310 and a lower positioning block 320 which are matched with the first clamping strip 41 and the second clamping strip 42, and the upper positioning block 310 and the lower positioning block 320 are respectively connected with the first clamping strip 41 and the second clamping strip 42. The lower end of the elastic element is limited by the lower positioning block 320, and the elasticity of the elastic element can be adjusted by screwing the upper end cover 31 to drive the upper positioning block 310 to rotate.

Furthermore, the peripheral wall of the lower end cap 32 is provided with a pin hole 62, the second shaft sleeve 22 is provided with a pin through hole 61 corresponding to the pin hole 62, and a pin 6 is inserted into the pin through hole 61 and the pin hole 62, so as to fixedly mount the lower end cap 32 on the lower end of the second shaft sleeve 22.

In the embodiment of the present invention, the first hinge element main body 11 and the second hinge element main body 21 are respectively provided with a plurality of first mounting holes 71 and second mounting holes 72. For mounting the first and second hinge member

main bodies

11 and 21 to a door (or window) and a door frame (or window frame) by screws at the first and

second mounting holes

71 and 72.

In the embodiment of the present invention, the upper wall of the upper end cap 31 is provided with a polygonal counter bore 8, such as a triangular counter bore, a four-corner counter bore or a hexagonal counter bore, preferably an inner hexagonal counter bore. The upper end cap 31 can be screwed by inserting a matching wrench into the polygonal counter bore to adjust the elastic force of the elastic member.

In the embodiment of the present invention, the elastic member 4 is a torsion spring. The torsion spring is prior art and will not be described herein.

In the embodiment of the present invention, the first hinge member 1, the second hinge member 2, the upper end cap 31 and the lower end cap 32 are made of stainless steel. The use of stainless steel materials is beneficial to prolonging the service life of the spring hinge.

In the embodiment of the present invention, the lower end of the upper positioning block 310 and the upper end of the lower positioning block 320 are respectively formed with a first engaging groove 311 and a second engaging groove 321, and the first engaging strip 41 and the second engaging strip 42 are respectively engaged with the first engaging groove 311 and the second engaging groove 321. It should be noted that the fixing manner of the elastic member 4 and the upper end cap 31 and the lower end cap 32 is not limited to the above embodiment, and the same technical effect can be achieved by welding.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a spring hinge, includes first hinge spare and second hinge spare, first hinge spare includes first hinge spare main part and locates the first axle sleeve of first hinge spare main part, second hinge spare includes second hinge spare main part and locates the second axle sleeve of second hinge spare main part, but first axle sleeve and second axle sleeve pass through elastic hinge axle pivot connection, its characterized in that: the elastic hinge shaft comprises an upper end cover, a lower end cover and an elastic part, wherein the two ends of the elastic part are respectively fixedly connected between the upper end cover and the lower end cover, the elastic part is sleeved in a first shaft sleeve and a second shaft sleeve, the lower end cover is fixedly installed at the lower end of the second shaft sleeve, the upper end cover is inserted in the upper end of the first shaft sleeve, the upper end cover is provided with a plurality of clamping holes distributed in the circumferential direction, the first shaft sleeve is provided with at least one screw through hole corresponding to the clamping hole, a rod part with a screw penetrates through the screw through hole and then is screwed in the clamping hole relative to the screw through hole, so that the upper end cover is fixed at the upper end of the first shaft sleeve, and the elastic part can apply elastic force to the upper end cover and the lower end cover.

2. The snap hinge of claim 1, wherein: and a damping pad is arranged at the contact part of the first shaft sleeve and the second shaft sleeve.

3. The snap hinge of claim 1, wherein: the axial middle position of the first shaft sleeve is provided with a through groove, so that the first shaft sleeve forms two sections which are spaced up and down, the second shaft sleeve is positioned in the through groove and is opposite to the first shaft sleeve, the lower end of the upper end cover extends into the upper section of the first shaft sleeve, and the upper end of the lower end cover extends into the lower section of the first shaft sleeve.

4. The snap hinge of claim 1, wherein: the elastic piece is characterized in that a first clamping strip and a second clamping strip are arranged at two ends of the elastic piece respectively, an upper end cover and a lower end cover are respectively provided with an upper positioning block and a lower positioning block which are matched with the first clamping strip and the second clamping strip, and the upper positioning block and the lower positioning block are respectively connected with the first clamping strip and the second clamping strip.

5. The snap hinge of claim 1, wherein: the peripheral wall of the lower end cover is provided with bolt holes, the second shaft sleeve is provided with bolt through holes corresponding to the bolt holes, and bolts are inserted into the bolt through holes and the bolt holes so as to fixedly install the lower end cover at the lower end of the second shaft sleeve.

6. The snap hinge of claim 1, wherein: a plurality of first mounting holes and second mounting holes are formed in the first hinge part main body and the second hinge part main body respectively.

7. The snap hinge of claim 1, wherein: the upper wall of the upper end cover is provided with a polygonal counter sink.

8. The snap hinge of claim 1, wherein: the elastic piece is a torsion spring.

9. The snap hinge of claim 1, wherein: the first hinge piece, the second hinge piece, the upper end cover and the lower end cover are made of stainless steel materials.

10. The snap hinge of claim 4, wherein: the lower end of the upper positioning block and the upper end of the lower positioning block are respectively formed with a first clamping groove and a second clamping groove, and the first clamping strip and the second clamping strip are respectively clamped in the first clamping groove and the second clamping groove.