阅读说明：本技术 真空开关管 (Vacuum switch tube ) 是由 L.巴龙 F.格拉斯科夫斯基 U.詹克 A.拉沃尔 K.沙赫特施耐德 C.斯蒂勒 于 2018-11-20 设计创作，主要内容包括：本发明涉及一种真空开关管(10),具有至少一个绝缘体(20)、静触头(30)、静触头法兰(40)、具备纵轴线(56)的动触头(50)、动触头法兰(60)、动触头支承件(70)、波纹管(80),其中,所述静触头(30)位置固定地布置在所述静触头法兰(40)中,所述动触头(50)在所述动触头支承件(70)中可移动地导引,并且所述动触头通过波纹管(80)可移动地固定在动触头法兰(60)上,其中,所述波纹管(80)通过第一波纹管端部(82)固定在所述动触头法兰(60)上,并且所述波纹管(80)通过第二波纹管端部(84)固定在所述动触头(50)上,其中,通过套管(90)实现所述真空开关管(10)针对超过1bar的环境压力的增大的抗压强度,所述套管(90)设计为不会沿动触头(50)的纵轴线(56)移动地固定在所述动触头(50)上并且导引穿过所述动触头支承件(52)。(The invention relates to a vacuum interrupter (10) having at least one insulating body (20), a stationary contact (30), a stationary contact flange (40), a movable contact (50) having a longitudinal axis (56), a movable contact flange (60), a movable contact carrier (70), a bellows (80), wherein the stationary contact (30) is arranged in a stationary manner in the stationary contact flange (40), the movable contact (50) is guided displaceably in the movable contact carrier (70), and the movable contact is displaceably fastened to the movable contact flange (60) by means of the bellows (80), wherein the bellows (80) is fastened to the movable contact flange (60) by means of a first bellows end (82), and the bellows (80) is fastened to the movable contact flange (50) by means of a second bellows end (84), wherein a bushing (90) achieves a resistance of the vacuum interrupter (10) to an increase in ambient pressure of more than 1bar A compression strength, the bushing (90) being designed to be fixed to the movable contact (50) without moving along the longitudinal axis (56) of the movable contact (50) and to be guided through the movable contact support (52).)

1. Vacuum interrupter (10) having at least one insulating body (20), a stationary contact (30), a stationary contact flange (40), a movable contact (50) having a longitudinal axis (56), a movable contact flange (60), a movable contact carrier (70), a bellows (80), wherein the stationary contact (30) is arranged in a stationary position in the stationary contact flange (40), the movable contact (50) is guided movably in the movable contact carrier (70), and the movable contact is fixed movably on the movable contact flange (60) by means of the bellows (80), wherein the bellows (80) is fixed on the movable contact flange (60) by means of a first bellows end (82), and the bellows (80) is fixed on the movable contact (50) by means of a second bellows end (84), characterized in that an increased resistance of the vacuum interrupter (10) to an ambient pressure of more than 1bar is achieved by means of a bushing (90) A compression strength, the bushing (90) being designed to be fixed to the movable contact (50) without moving along the longitudinal axis (56) of the movable contact (50) and to be guided through the movable contact support (52).

2. Vacuum interrupter (10) according to claim 1, characterized in that the bushing (90) is arranged on the movable contact (50) in such a way that the bushing (90) extends from the second bellows end (84) through the movable contact support (70), and in that the bushing (90) is fixed to the movable contact (50) by means of a fixing element (95) in such a way that, when the movable contact (50) is moved, no relative movement between the movable contact (50) and the bushing (90) takes place along the longitudinal axis (56) of the movable contact (50).

3. The vacuum interrupter (10) of claim 1 or 2 wherein said movable contact (50) has at least one movable contact rod (52) and a movable contact pad (54), and said second bellows end (84) is directly connected to said movable contact rod (52).

4. The vacuum switching tube (10) of claim 1 or 2 wherein the movable contact (50) has a movable contact stem (52) and a movable contact pad (54), and the second bellows end (84) is connected to the movable contact stem (52) by a bellows cap (86).

5. Vacuum interrupter (10) according to claims 1 to 4, characterized in that the sleeve is fixed in the region of the second bellows end (84) and/or in the region of the bellows cap (86) on the movable contact (50) in a predetermined position by means of press fit, snap fit, soldering, welding, thickening of the movable contact, which thickening is not reproduced on the sleeve.

6. The vacuum interrupter (10) of claim 5 wherein said press fit of said sleeve occurs between said second bellows end (84) and said movable contact (50) or between said bellows cap (86) and said movable contact stem (52).

7. Vacuum interrupter (10) according to any of the preceding claims, characterized in that the movable contact support (70) has at least one first guiding element (72, 72') and the bushing (90) has at least one second guiding element (92, 92'), wherein the first guiding element (72, 72') and the second guiding element (92, 92') engage each other such that a torsion of the bushing (90) in the movable contact support (70) is prevented.

8. The vacuum interrupter (10) of claim 7 wherein said first guide member (72) and said second guide member (92) engage each other and are restrained from movement relative to each other such that said sleeve (90) does not slide out of said contact carrier (70).

9. The vacuum interrupter (10) of any one of the preceding claims, characterized in that the moving contact rod (52) has at least one third guide element (53) and the sleeve (90) has at least one fourth guide element (94), the third and fourth guide elements cooperating such that a twisting of the sleeve (90) on the moving contact rod (52) is prevented.

10. The vacuum switching tube (10) of any one of the preceding claims, wherein the sleeve (90) is made of a material having a low coefficient of friction.

11. The vacuum switching tube (10) of any one of the preceding claims, wherein the sleeve (90) is made of polytetrafluoroethylene or a variant of polytetrafluoroethylene.

12. The vacuum switching tube (10) of any one of the preceding claims, wherein the second bellows end (84) and/or bellows cap (86) further has a bellows shield (88).

13. The vacuum switching tube (10) of claim 12 wherein the bellows shield (88) extends from the second bellows end (84) in a direction toward the movable contact flange (60).